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REVIEW ARTICLES
An overview of randomization techniques: An unbiased assessment of outcome in clinical research
KP Suresh
January-April 2011, 4(1):8-11
DOI
:10.4103/0974-1208.82352
PMID
:21772732
Randomization as a method of experimental control has been extensively used in human clinical trials and other biological experiments. It prevents the selection bias and insures against the accidental bias. It produces the comparable groups and eliminates the source of bias in treatment assignments. Finally, it permits the use of probability theory to express the likelihood of chance as a source for the difference of end outcome. This paper discusses the different methods of randomization and use of online statistical computing web programming (www.graphpad.com/quickcalcs or www.randomization.com) to generate the randomization schedule. Issues related to randomization are also discussed in this paper.
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252
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REVIEW ARTICLE
Trends of male factor infertility, an important cause of infertility: A review of literature
Naina Kumar, Amit Kant Singh
October-December 2015, 8(4):191-196
DOI
:10.4103/0974-1208.170370
PMID
:26752853
Infertility and problems of impaired fecundity have been a concern through ages and is also a significant clinical problem today, which affects 8-12% of couples worldwide. Of all infertility cases, approximately 40-50% is due to "male factor" infertility and as many as 2% of all men will exhibit suboptimal sperm parameters. It may be one or a combination of low sperm concentration, poor sperm motility, or abnormal morphology. The rates of infertility in less industrialized nations are markedly higher and infectious diseases are responsible for a greater proportion of infertility. The present literature will help in knowing the trends of male factor infertility in developing nations like India and to find out in future, various factors that may be responsible for male infertility.
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219
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2,879
REVIEW ARTICLES
Sample size estimation and power analysis for clinical research studies
KP Suresh, S Chandrashekara
January-April 2012, 5(1):7-13
DOI
:10.4103/0974-1208.97779
PMID
:22870008
Determining the optimal sample size for a study assures an adequate power to detect statistical significance. Hence, it is a critical step in the design of a planned research protocol. Using too many participants in a study is expensive and exposes more number of subjects to procedure. Similarly, if study is underpowered, it will be statistically inconclusive and may make the whole protocol a failure. This paper covers the essentials in calculating power and sample size for a variety of applied study designs. Sample size computation for single group mean, survey type of studies, 2 group studies based on means and proportions or rates, correlation studies and for case-control for assessing the categorical outcome are presented in detail.
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181
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10,107
Role of oxidative stress in male infertility: An updated review
Ahmed T Alahmar
January-March 2019, 12(1):4-18
DOI
:10.4103/jhrs.JHRS_150_18
PMID
:31007461
Current evidence links oxidative stress (OS) to male infertility, reduced sperm motility, sperm DNA damage and increased risk of recurrent abortions and genetic diseases. A review of PubMed, Medline, Google Scholar, and Cochrane review databases of published articles from years 2000–2018 was performed focusing on physiological and pathological consequences of reactive oxygen species (ROS), sperm DNA damage, OS tests, and the association between OS and male infertility, pregnancy and assisted reproductive techniques outcomes. Generation of ROS is essential for reproductive function, but OS is detrimental to fertility, pregnancy, and genetic status of the newborns. Further, there is a lack of consensus on selecting OS test, type, and duration of antioxidants treatment as well as on the target patients group. Developing advanced diagnostic and therapeutic options for OS is essential to improve fertility potential and limit genetic diseases transmitted to offspring.
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CASE REPORTS
Endometrial regeneration using autologous adult stem cells followed by conception by
in vitro
fertilization in a patient of severe Asherman's syndrome
Chaitanya B Nagori, Sonal Y Panchal, Himanshu Patel
January-April 2011, 4(1):43-48
DOI
:10.4103/0974-1208.82360
PMID
:21772740
In a woman with severe Asherman's syndrome, curettage followed by placement of intrauterine contraceptive device (IUCD) (IUCD with cyclical hormonal therapy) was tried for 6 months, for development of the endometrium. When this failed, autologous stem cells were tried as an alternative therapy. From adult autologous stem cells isolated from patient's own bone marrow, endometrial angiogenic stem cells were separated using immunomagnetic isolation. These cells were placed in the endometrial cavity under ultrasound guidance after curettage. Patient was then given cyclical hormonal therapy. Endometrium was assessed intermittently on ultrasound. On development of endometrium with a thickness of 8 mm and good vascularity,
in vitro
fertilization and embryo transfer was done. This resulted in positive biochemical pregnancy followed by confirmation of gestational sac, yolk sac, and embryonic pole with cardiac activity on ultrasound. Endometrial angiogenic stem cells isolated from autologous adult stem cells could regenerate injured endometrium not responding to conventional treatment for Asherman's syndrome.
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REVIEW ARTICLES
Understanding normal development of adolescent sexuality: A bumpy ride
Sujita Kumar Kar, Ananya Choudhury, Abhishek Pratap Singh
April-June 2015, 8(2):70-74
DOI
:10.4103/0974-1208.158594
PMID
:26157296
Adolescence, derived from the Latin word "adolescere" meaning "to grow up" is a critical developmental period. During adolescence, major biological as well as psychological developments take place. Development of sexuality is an important bio-psycho-social development, which takes an adult shape during this period. During adolescence, an individual's thought, perception as well as response gets colored sexually. Puberty is an important landmark of sexuality development that occurs in the adolescence. The myriad of changes that occurs in adolescents puts them under enormous stress, which may have adverse physical, as well as psychological consequences. Understanding adolescent sexuality has important clinical, legal, social, cultural, as well as educational implications.
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65
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ORIGINAL ARTICLES
Does local endometrial injury in the nontransfer cycle improve the IVF-ET outcome in the subsequent cycle in patients with previous unsuccessful IVF? A randomized controlled pilot study
Sachin A Narvekar, Neelima Gupta, Nivedita Shetty, Anu Kottur, MS Srinivas, Kamini A Rao
January-April 2010, 3(1):15-19
DOI
:10.4103/0974-1208.63116
PMID
:20607003
Background:
Management of repeated implantation failure despite transfer of good-quality embryos still remains a dilemma for ART specialists. Scrapping of endometrium in the nontransfer cycle has been shown to improve the pregnancy rate in the subsequent IVF/ET cycle in recent studies.
Aim:
The objective of this randomized controlled trial (RCT) was to determine whether endometrial injury caused by Pipelle sampling in the nontransfer cycle could improve the probability of pregnancy in the subsequent IVF cycle in patients who had previous failed IVF outcome.
Setting:
Tertiary assisted conception center.
Design:
Randomized controlled study.
Materials and Methods:
100 eligible patients with previous failed IVF despite transfer of good-quality embryos were randomly allocated to the intervention group and control groups. In the intervention group, Pipelle endometrial sampling was done twice: One in the follicular phase and again in the luteal phase in the cycle preceding the embryo transfer cycle.
Outcome Measure:
The primary outcome measure was live birth rate. The secondary outcome measures were implantation and clinical pregnancy rates.
Results:
The live birth rate was significantly higher in the intervention group compared to control group (22.4% and 9.8%
P
= 0.04). The clinical pregnancy rate in the intervention group was 32.7%, while that in the control group was 13.7%, which was also statistically significant (
P
= 0.01). The implantation rate was significantly higher in the intervention group as compared to controls (13.07% vs 7.1%
P
= 0.04).
Conclusions:
Endometrial injury in nontransfer cycle improves the live birth rate,clinical pregnancy and implantation rates in the subsequent IVF-ET cycle in patients with previous unsuccessful IVF cycles.
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REVIEW ARTICLE
The endometrium in assisted reproductive technology: How thin is thin?
Nalini Mahajan, S Sharma
January-March 2016, 9(1):3-8
DOI
:10.4103/0974-1208.178632
A thin endometrium is encountered infrequently (2.4%) in assisted reproductive technology cycles. When it does occur it is a cause of concern as it is associated with lower implantation rate and pregnancy rate. Though pregnancies have been reported at 4 and 5 mm it is apparent that an endometrial thickness <6 mm is associated with a trend toward lower probability of pregnancy. Hormone replacement therapy – frozen embryo transfer (FET) cycles appear to give better results due to an improvement in endometrial receptivity (ER). The etiology of thin endometrium plays a significant part in its receptivity. A number of treatments have been tried to improve endometrial growth, but none has been validated so far. Confirming ER of a thin endometrium by an ER array test before FET offers reassurance.
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Ovarian hyperstimulation syndrome
Pratap Kumar, Sameer Farouk Sait, Alok Sharma, Mukesh Kumar
May-August 2011, 4(2):70-75
DOI
:10.4103/0974-1208.86080
PMID
:22065820
Ovarian hyperstimulation syndrome (OHSS) is an iatrogenic complication of assisted reproduction technology. The syndrome is characterized by cystic enlargement of the ovaries and a fluid shift from the intravascular to the third space due to increased capillary permeability and ovarian neoangiogenesis. Its occurrence is dependent on the administration of human chorionic gonadotrophin (hCG). β-hCG and its analogs, estrogen, estradiol, prolactin, histamine and prostaglandins have all been implicated in OHSS but now it is increasingly better understood that the vasoactivesubstances such as interleukins, tumor necrosis factor-α, endothelin-1, and vascular endothelial growth factor (VEGF) secreted by the ovaries have been implicated in increasing vascular permeability. Enlargement of the ovaries causes abdominal pain, nausea and vomiting. Leakage of fluid from follicles, increased capillary permeability leading to third spacing (due to the release of vasoactive substances), or frank rupture of follicles can all cause ascites. Due to leakage of fluid through the impaired blood vessels both within and outside the ovary there is massive fluid-shift from the intra-vescular bed to the third compartment results in intravascular hypovolemia with concomitant development of edema, ascites, hydrothorax and/or hydropericardium. Low-dose gonadotrophin protocols have been implemented to reduce the risks of fertility treatment in polycystic ovary syndrome patients. Prophylactic albumin administration may interrupt the development of OHSS by increasing the plasma oncotic pressure and binding mediators of ovarian origin. OHSS is significantly lower in an antagonist protocol than in an agonist protocol. Cabergoline inhibits partially the VEGF receptor 2 phosphorylation levels and associated vascular permeability without affecting luteal angiogenesis reduces the 'early' (within the first 9 days after hCG) onset of OHSS. To prevent thrombosis, subcutaneous heparin 5000-7500 U/d is begun on the first day of admission. These patients need a hospital ward where the clinical picture is well understood and the personnel have expertise in its treatment and follow-up. Admission to an intensive care unit is necessary when critical OHSS develops.
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REVIEW ARTICLES
Endometrial receptivity array: Clinical application
Nalini Mahajan
July-September 2015, 8(3):121-129
DOI
:10.4103/0974-1208.165153
PMID
:26538853
Human implantation is a complex process requiring synchrony between a healthy embryo and a functionally competent or receptive endometrium. Diagnosis of endometrial receptivity (ER) has posed a challenge and so far most available tests have been subjective and lack accuracy and a predictive value. Microarray technology has allowed identification of the transcriptomic signature of the window of receptivity window of implantation (WOI). This technology has led to the development of a molecular diagnostic tool, the ER array (ERA) for diagnosis of ER. Use of this test in patients with recurrent implantation failure (RIF) has shown that the WOI is displaced in a quarter of these patients and use of a personalized embryo transfer (pET) on the day designated by ERA improves reproductive performance. Our results in the Indian population revealed an endometrial factor in 27.5% RIF patients, which was significantly greater than the non-RIF group 15% (
P
= 0.04). After pET, the overall ongoing pregnancy rate was 42.4% and implantation rate was 33%, which was at par with our
in-vitro
fertilization results over 1-year. We also performed ERA in patients with persistently thin endometrium, and it was reassuring to find that the endometrium in 75% of these patients was receptive despite being 6 mm or less. A pregnancy rate of 66.7% was achieved in this group. Though larger studies are required to validate these results ERA has become a useful tool in our diagnostic armamentarium for ER.
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ORIGINAL ARTICLES
Autologous stem cell transplantation in refractory Asherman's syndrome: A novel cell based therapy
Neeta Singh, Sujata Mohanty, Tulika Seth, Meenakshi Shankar, Sruthi Bhaskaran, Sona Dharmendra
April-June 2014, 7(2):93-98
DOI
:10.4103/0974-1208.138864
PMID
:25191021
Background
: There is substantial evidence that adult stem cell populations exist in human endometrium, and hence it is suggested that either endogenous endometrial stem/progenitor cells can be activated or bone marrow derived stem cells can be transplanted in the uterine cavity for endometrial regeneration in Asherman's syndrome (AS).
Aims and Objectives
: The objective was to evaluate the role of sub-endometrial autologous stem cell implantation in women with refractory AS in attaining menstruation and fertility.
Setting
: Tertiary care referral center. DESIGN: Prospective case series.
Materials and Methods
: Six cases of refractory AS with failed standard treatment option of hysteroscopic adhesiolysis in the past were included. Mononuclear stem cells (MNCs) were implanted in sub-endometrial zone followed by exogenous oral estrogen therapy. Endometrial thickness (ET) was assessed at 3, 6, and 9 months. RESULTS: Descriptive statistics and statistical analysis of study variables was carried out using STATA version 9.0. The mean MNC count was 103.3 × 106 (±20.45) with mean CD34+ count being 203,642 (±269,274). Mean of ET (mm) at 3 months (4.05 ± 1.40), 6 months (5.46 ± 1.36) and 9 months (5.48 ± 1.14) were significantly (
P
< 0.05) increased from pretreatment level (1.38 ± 0.39). Five out of six patients resumed menstruation.
Conclusion
: The autologous stem cell implantation leads to endometrial regeneration reflected by restoration of menstruation in five out of six cases. Autologous stem cell implantation is a promising novel cell based therapy for refractory AS.
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Causes and prevalence of factors causing infertility in a public health facility
Priyanka Sanjay Deshpande, Alka ShantiPrakash Gupta
October-December 2019, 12(4):287-293
DOI
:10.4103/jhrs.JHRS_140_18
PMID
:32038077
Background:
Infertility causes change according to local demographics. There is thus the need to find the causes of infertility in context to local population to aid and direct management strategies accordingly.
Aims:
The aims were to study the causes of infertility and to calculate the proportion of the individual factors contributing to it in the population coming to a tertiary level public health facility. Setting and Design: This cross-sectional, observational study was done in an infertility clinic in a medical college and government hospital.
Materials and Methods:
The study comprised 120 couples who came for infertility evaluation and treatment. Cause of infertility in the couple was assigned on the basis of history and examination findings. The prevalence of each cause was evaluated.
Statistical Analysis:
Results were tabulated, and the prevalence of individual factors was calculated. Intratable analysis was done using SPSS 16.0.
Results:
Primary infertility (57.5%) was more prevalent than secondary infertility (42.5%). Female factor accounted for 46.6% of the cases with polycystic ovarian syndrome (PCOS) being the leading cause (46%). Infertility was seen equally in lean and obese PCOS cases. Infectious causes such as pelvic inflammatory disease and tuberculosis were significantly associated with tubal factor infertility (
P
= 0.001). Infertility causes changed as the age of marriage increased. In couples married for less than 5 years, PCOS was the main cause whereas later,male factor and unexplained infertility were the most common causes seen. Male factor contributed to 20% of the cases of infertility, and both tobacco and alcohol consumption were significantly associated with abnormal semen reports (
P
= 0.001).
Conclusion:
Causes of infertility vary according to the age of the couples and age of marriage. Although PCOS remains the main cause, infections are a major cause of tubal factor infertility, and tobacco and alcohol worsen the male factor. One-third of the cases still remain unexplained.
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887
REVIEW ARTICLES
Hyperprolactinemia
Abha Majumdar, Nisha Sharma Mangal
July-September 2013, 6(3):168-175
DOI
:10.4103/0974-1208.121400
PMID
:24347930
Prolactin (PRL) is an anterior pituitary hormone which has its principle physiological action in initiation and maintenance of lactation. In human reproduction, pathological hyperprolactinemia most commonly presents as an ovulatory disorder and is often associated with secondary amenorrhea or oligomenorrhea. Galactorrhea, a typical symptom of hyperprolactinemia, occurs in less than half the cases. Out of the causes of hyperprolactinemia, pituitary tumors may be responsible for almost 50% of cases and need to be investigated especially in the absence of history of drug induced hyperprolactinemia. In women with hyperprolactinemic amenorrhea one important consequence of estrogen deficiency is osteoporosis, which deserves specific therapeutic consideration. Problem in diagnosing and treating hyperprolactinemia is the occurrence of the 'big big molecule of prolactin' that is biologically inactive (called macroprolactinemia), but detected by the same radioimmunoassay as the biologically active prolactin. This may explain many cases of very high prolactin levels sometimes found in normally ovulating women and do not require any treatment. Dopamine agonist is the mainstay of treatment. However, presence of a pituitary macroadenoma may require surgical or radiological management.
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39
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The impact of female obesity on the outcome of fertility treatment
Shilpi Pandey, Suruchi Pandey, Abha Maheshwari, Siladitya Bhattacharya
May-August 2010, 3(2):62-67
DOI
:10.4103/0974-1208.69332
PMID
:21209748
The rising prevalence of obesity has had a profound impact on female reproductive health. Increased body mass index (BMI) is associated with ovulatory subfertility and anovulatory infertility. Overweight and obese women have poorer outcomes following fertility treatment. They respond poorly to clomiphene induction of ovulation and require higher doses of gonadotrophins for ovulation induction and superovulation. Ovarian stimulation for assisted reproduction produces fewer follicles resulting in the harvest of fewer oocytes. Fertilization rates are poorer and the embryo quality is impaired in younger women who are obese. Pregnancy rate in some studies is lower and there is an increased risk of early pregnancy loss. Weight loss regularizes menstrual cycles and increases the chance of spontaneous ovulation and conception in anovulatory overweight and obese women. Gradual sustained weight loss is beneficial whereas crash dieting is detrimental.
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Luteinizing hormone and follicle stimulating hormone synergy: A review of role in controlled ovarian hyper-stimulation
Gottumukkala Achyuta Rama Raju, Rahul Chavan, Mamata Deenadayal, Devika Gunasheela, Rohit Gutgutia, Geetha Haripriya, Mirudhubashini Govindarajan, Nayana Hitesh Patel, Ameet Shashikant Patki
October-December 2013, 6(4):227-234
DOI
:10.4103/0974-1208.126285
PMID
:24672160
Luteinizing hormone (LH) in synergy with follicle stimulating hormone (FSH) stimulates normal follicular growth and ovulation. FSH is frequently used in assisted reproductive technology (ART). Recent studies have facilitated better understanding on the complementary role of the LH to FSH in regulation of the follicle; however, role of LH in stimulation of follicle, optimal dosage of LH in stimulation and its importance in advanced aged patients has been a topic of discussion among medical fraternity. Though the administration of exogenous LH with FSH is obligatory for controlled ovarian stimulation in patients with hypogonadotropic hypogonadism, there is still a paucity of information of its usage in other patient population. In this review we looked in to the multiple roles that LH plays complementary to FSH to better understand the LH requirement in patients undergoing ART.
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ORIGINAL ARTICLES
An evaluation of the effect of infertility on marital, sexual satisfaction indices and health-related quality of life in women
Sameer Valsangkar, Trupti Bodhare, Samir Bele, Surendranath Sai
May-August 2011, 4(2):80-85
DOI
:10.4103/0974-1208.86088
PMID
:22065832
Background
: The effect of infertility on marital and sexual functioning, health-related quality of life (QoL) and the acceptability of the treatment modalities is a poorly researched area in India.
Aims and Objectives
: To measure and compare the impact of infertility on marital adjustment, sexual functioning, QoL and the acceptability of various treatment modalities in infertility.
Design and Setting
: Hospital-based cross-sectional controlled study.
Materials and Methods
: Data regarding infertility, socio-demographic characteristics and treatment acceptability was obtained via a semi-structured questionnaire. validated, standardized scales were used to measure marital adjustment (abbreviated dyadic adjustment scale), sexual functioning (abbreviated sexual functioning questionnaire) in cases and controls, and quality of life (FertiQol) in cases. Data from 106 women attending tertiary infertility centers who met the definition of primary infertility and 212 controls attending the medical outpatient department in the same centers was obtained.
Results
: Body mass index and socioeconomic status were significant (
P
< 0.006 and < 0.0001 respectively) for infertility. Fertility-enhancing regimens and adoption had the highest acceptability with a wide dispersion of range for adoption and least acceptance for sperm, egg, embryo donation and surrogate motherhood. Logistic regression analysis revealed a significant effect size of infertility on marital adjustment (Nagelkerke R
2
0.725, Cohen's D 0.86) and sexual functioning (Nagelkerke R
2
0.73, Cohen's D 0.815). QoL showed a decrease in mean scores on the FertiQol scale similar to normative data.
Conclusions
: Effective counseling, reassurance and measures to reduce the impact of the condition on marital and sexual life, overall QoL are needed to impart a holistic treatment in infertility.
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493
Autologous intrauterine platelet-rich plasma instillation for suboptimal endometrium in frozen embryo transfer cycles: A pilot study
Sunita R Tandulwadkar, Manasi V Naralkar, Akash D Surana, M Selvakarthick, Avinash H Kharat
July-September 2017, 10(3):208-212
DOI
:10.4103/jhrs.JHRS_28_17
PMID
:29142450
Introduction:
This pilot study was to evaluate the effectiveness of intrauterine infusion of autologous platelet-rich plasma (PRP) in infertile women undergoing frozen embryo transfer cycles with suboptimal endometrium.
Material and Methods:
Intrauterine instillation of autologous PRP was done in 68 women between 22 and 40 years, over 8 months, with suboptimal endometrial growth, and patients with repeated cycle cancellations, in addition to Estradiol valerate. Frozen embryo transfer was performed when the endometrium reached an optimal pattern in terms of thickness, appearance, and vascularity.
Results:
The mean pre-PRP endometrial thickness (ET) was 5 mm which significantly increased to 7.22 mm post-PRP. There was a significant increase in vascularity, seen by the number of vascular signals seen on Power Doppler, reaching the zones 3 and 4 of the endometrium. The positive beta Human Chorionic Gonadotropin (hCG) rate was 60.93% and the clinical pregnancy rate was 45.31%. A total of 13 women are in the second trimester, 13 are in the first trimester with a healthy intrauterine pregnancy, one patient had an ectopic gestation, three had blighted ova, two had missed abortions, and two biochemical pregnancies.
Conclusion:
This study suggests that the use of autologous PRP holds promise in the treatment of women with suboptimal ET and vascularity for embryo transfer. It would help to reduce the incidence of cycle cancellations and thus even help reduce the financial and psychological burden of repeated cancelled cycles.
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486
REVIEW ARTICLES
Evidence-based management of recurrent miscarriages
Yadava B Jeve, William Davies
July-September 2014, 7(3):159-169
DOI
:10.4103/0974-1208.142475
PMID
:25395740
Recurrent miscarriages are postimplantation failures in natural conception; they are also termed as habitual abortions or recurrent pregnancy losses. Recurrent pregnancy loss is disheartening to the couple and to the treating clinician. There has been a wide range of research from aetiology to management of recurrent pregnancy loss. It is one of the most debated topic among clinicians and academics. The ideal management is unanswered. This review is aimed to produce an evidence-based guidance on clinical management of recurrent miscarriage. The review is structured to be clinically relevant. We have searched electronic databases (PubMed and Embase) using different key words. We have combined the searches and arranged them with the hierarchy of evidences. We have critically appraised the evidence to produce a concise answer for clinical practice. We have graded the evidence from level I to V on which these recommendations are based.
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ORIGINAL ARTICLES
Predictive value of endometrial thickness, pattern and sub-endometrial blood flows on the day of hCG by 2D doppler in
in-vitro
fertilization cycles: A prospective clinical study from a tertiary care unit
Neeta Singh, Anupama Bahadur, Suneeta Mittal, Neena Malhotra, Ashok Bhatt
January-April 2011, 4(1):29-33
DOI
:10.4103/0974-1208.82357
PMID
:21772737
Aims and Objectives
: To evaluate the role of endometrial thickness, pattern and sub-endometrial blood flows measured by 2D power Doppler ultrasound to predict pregnancy during
in-vitro
fertilization (IVF) treatment.
Study Design
: Prospective, non-randomized clinical study.
Materials and Methods
: This was a prospective observational study. A total of 101 infertile women were recruited from our IVF-ET program from January to December, 2009. Women with tubal factor, male factor and unexplained infertility were included in the study.
Results
: The mean age was 35 years and mean duration of infertility was 8 years. Seventy five (74.25%) patients had primary infertility and 26 (25.74%) had secondary infertility. The mean endometrial thickness was 8.1 mm and endometrial blood flow was in Zone I in 18 patients, 28 patients had blood flow in Zone II and 54 had in Zone III. Overall, 27 (26.73%) patients conceived and in these women the endometrial thickness was between 6 and 12 mm.
Conclusions
: With a thin endometrium (≤7 mm) and no-triple-line endometrial pattern coexisting in an
in-vitro
fertilization/intracytoplasmic sperm injection (IVF/ICSI) candidate, cryopreservation should be recommended. With a thin endometrium and a good texture (triple-line), other prognostic factors, such as embryo quality, should be taken into account. The endometrial vascularity has a useful predictive value on the implantation rate in IVF cycles irrespective of the morphological appearance of the endometrium. However, further study is needed to make a definitive conclusion.
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A meta-analysis of the relationship between endometrial thickness and outcome of
in vitro
fertilization cycles
Mazdak Momeni, Mohammad H Rahbar, Ertug Kovanci
September-December 2011, 4(3):130-137
DOI
:10.4103/0974-1208.92287
PMID
:22346080
Objective:
The objective was to evaluate the relationship between endometrial thickness on the day of human chorionic gonadotropin administration and pregnancy outcome in
in vitro
fertilization cycles.
Design:
This was a systematic review and meta-analysis.
Materials and Methods:
We identified 484 articles using Cochrane library, PubMed, Web of Science, and Embase searches with various key words including endometrial thickness, pregnancy, assisted reproductive technology, endometrial pattern, and
in vitro
fertilization. A total of 14 studies with data on endometrial thickness and outcome were selected, representing 4922 cycles (2204 pregnant and 2718 nonpregnant). The meta-analysis with a random effects model was performed using comprehensive meta-analysis software. We calculated the standardized mean difference, odds ratio (OR), and 95% confidence intervals (CIs).
Results:
There was a significant difference in the mean endometrial thickness between pregnant and nonpregnant groups (
P
<0.001), with a standardized mean difference of 0.4 mm (95% CI 0.22-0.58). The OR for pregnancy was 1.40 (95% CI 1.24-1.58).
Conclusions:
The mean endometrial thickness was significantly higher in pregnant women compared to nonpregnant. The mean difference between two groups was <1 mm which may not be clinically meaningful. Although there may be a relationship between endometrial thickness and pregnancy, implantation potential is probably more complex than a single ultrasound measurement can determine.
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26
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311
Cypermethrin-induced reproductive toxicity in the rat is prevented by resveratrol
Poonam Sharma, Amir Ul Huq, Rambir Singh
April-June 2014, 7(2):99-106
DOI
:10.4103/0974-1208.138867
PMID
:25191022
Aims
: The current study was to assess the protective role of resveratrol in cypermethrin-induced reproductive toxicity in male Wistar rats.
Materials and Methods
: Rats were exposed to cypermethrin (3.83 mg/kg bw) for 14 days. Pre- and post-treatment of resveratrol (20 mg/kg bw for 14 days) was given to cypermethrin exposed rats. At the end of the experiment, rats were sacrificed, testis and epididymis were removed, sperm characteristics, sex hormones, and various biochemical parameters were studied.
Results
: Cypermethrin exposure resulted in a significant decrease in weight of testis and epididymis, testicular sperm head counts, sperm motility and live sperm counts and increase in sperm abnormalities. Serum testosterone (T), follicle stimulating hormone (FSH), luteinizing hormone (LH), reduced glutathione (GSH), catalase (CAT), superoxide dismutase (SOD), glutathione S-transferase (GST), glutathione reductase (GR), glutathione peroxidase (GPx) and total protein (TP) content were decreased and lipid peroxidation (LPO) level was increased on cypermethrin exposure. Pre- and post-treatment of resveratrol increased sperm head counts, sperm motility, live sperm counts, T, FSH, LH, GSH, CAT, SOD, GST, GR, GPx and TP contents and decreased LPO. Treatment with resveratrol alone has improved sperm parameters and testicular antioxidant defence system.
Conclusion
: The study concluded that resveratrol ameliorated cypermethrin-induced testicular damage by reducing oxidative stress and by enhancing the level of sex hormones.
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24
5,075
343
Effect of forced swimming stress on count, motility and fertilization capacity of the sperm in adult rats
Ghasem Saki, Fakher Rahim, Karim Alizadeh
July-December 2009, 2(2):72-75
DOI
:10.4103/0974-1208.57226
PMID
:19881152
Aims:
The purpose of this study was to determine whether 50 days of forced swimming stress applied to adult male rats affects count, motility and fertilization capacity of sperm.
Settings and Design:
It is a prospective study designed
in vitro
.
Materials and Methods:
A total 30 adult male wistar rats were used in this study. All rats were divided into two equal groups (n = 15): (1) control group and (2) experimental group. Animals of the experimental group were submitted to force swimming stress for 3 min in water at 32°C daily for 50 days. Then, all male rats were sacrificed, the right epididymides were removed and sperm concentration and motility were determined. The sperm suspension was added to the ova. Fertilization capacity was assessed by counting two-cell embryos 24-26 h after completion of fertilization
in vitro
.
Statistical Analysis Used:
Data are reported as mean ± SD and percentage. The difference between the control and experimental groups was determined by the unpaired
t
-test.
Results:
The mean and standard deviation of sperm concentration in the control and experimental groups were 60.8 ± 9.3 10
6
/ml and 20.4 ± 5.3 10
6
/ml, respectively. There was a statistical difference of
P
< 0.05 between the two groups in terms of sperm concentration. The percentage of motility in the experimental group was significantly different (
P
< 0.05). The same results were obtained in case of fertility (
P
< 0.05). Stress caused by forced swimming was observed by a significant increase in the latency of the pain response in the hot-plate test (
P
< 0.05).
Conclusions:
These results suggest that forced swimming stress in time course equal or more than spermatogenesis period, i.e. 48-50 days in the rat will be significantly effective to reduce the number and motility of sperms as well as the fertilization capacity.
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732
Prevalence and predictors of infertility-specific stress in women diagnosed with primary infertility: A clinic-based study
Ansha Patel, P. S. V. N. Sharma, Pratapkumar Narayan, VS Binu, N Dinesh, Praveena Joglekar Pai
January-March 2016, 9(1):28-34
DOI
:10.4103/0974-1208.178630
BACKGROUND:
According to the existing literature on infertility, stress appears to be inevitably associated with infertility diagnosis and treatment in sub-fertile individuals. The epidemiological data on the prevalence and predictors of infertility-specific stress in cultural specific scenario are scarce. The objective of the present study was to estimate the prevalence of infertility-specific stress and identify predictors of infertility-specific stress in women diagnosed with primary infertility.
MATERIALS AND METHODS:
This cross-sectional study was conducted on 300 infertile married women, diagnosed with primary infertility. The tools used for the assessment were “semi-structured questionnaire ” compiled by the authors, “ICD-10 Classification of Mental and Behavioral Disorders (Clinical Descriptions and Diagnostic Guidelines), ” and “Psychological Evaluation Test for infertility. ”
STATISTICAL ANALYSIS:
Data were analyzed using SPSS (version 15). Chi-square test was used for univariate analysis followed by multiple logistic regressions between stress and the predictor variables.
RESULTS AND DISCUSSION:
The prevalence of stress among women was 80%. Univariate analysis revealed that predictors of stress were years of marital life, duration of infertility, infertility type, history of gynecological surgery, cycles of ovulation induction with timed intercourse and intra-uterine inseminations, present and past psychiatric morbidity, coping difficulties, gynecological diagnosis, and severity of premenstrual dysphoria. Multivariate analysis showed leading associations of stress with infertility type and coping difficulties.
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316
REVIEW ARTICLE
Ovarian reserve tests
Padma Rekha Jirge
September-December 2011, 4(3):108-113
DOI
:10.4103/0974-1208.92283
PMID
:22346076
Ovarian reserve plays a crucial role in achieving pregnancy following any treatment in subfertile women. The estimation of ovarian reserve is routinely performed through various ovarian reserve tests (ORTs) in an effort to predict the response and outcome in couples prior to
In Vitro
Fertilization and counsel them. Most widely used tests are basal follicle stimulating hormone and anti-Mullerian hormone and antral follicle count. The role of ORTs in our routine practice is discussed in this article. A MEDLINE search was done to identify suitable articles for review.
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821
OMICS: Current and future perspectives in reproductive medicine and technology
Rocío Rivera Egea, Nicolás Garrido Puchalt, Marcos Meseguer Escrivá, Alex C Varghese
April-June 2014, 7(2):73-92
DOI
:10.4103/0974-1208.138857
PMID
:25191020
Many couples present fertility problems at their reproductive age, and although in the last years, the efficiency of assisted reproduction techniques has increased, these are still far from being 100% effective. A key issue in this field is the proper assessment of germ cells, embryos and endometrium quality, in order to determine the actual likelihood to succeed. Currently available analysis is mainly based on morphological features of oocytes, sperm and embryos and although these strategies have improved the results, there is an urgent need of new diagnostic and therapeutic tools. The emergence of the - OMICS technologies (epigenomics, genomics, transcriptomics, proteomics and metabolomics) permitted the improvement on the knowledge in this field, by providing with a huge amount of information regarding the biological processes involved in reproductive success, thereby getting a broader view of complex biological systems with a relatively low cost and effort.
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© 2007 - Journal of Human Reproductive Sciences | Published by Wolters Kluwer -
Medknow
Online since 20
th
June, 2007