Journal of Human Reproductive Science
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ORIGINAL ARTICLE Table of Contents   
Year : 2016  |  Volume : 9  |  Issue : 3  |  Page : 159-163
Use of clomiphene-based stimulation protocol in oocyte donors: A comparative study

Department of Reproductive Medicine, Sri Aurobindo Medical College and Post Graduate Institute, Indore, Madhya Pradesh, India

Correspondence Address:
Dr. Aparna Singh
Department of Reproductive Medicine, Sri Aurobindo Medical College and Post Graduate Institute, Indore - 453 555, Madhya Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-1208.192054

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INTRODUCTION: This study was undertaken to compare between clomiphene citrate (CC) and gonadotropin-releasing hormone antagonist-based protocols in donor-recipient cycles in terms of parameters of ovarian stimulation and obstetric outcome. MATERIALS AND METHODS: Two hundred and three fertile oocyte donors were stimulated using two different protocols: Clomiphene based (n = 103) and antagonist based (n = 100). Donors in the one group were stimulated from day 1 or 2 of spontaneous or withdrawal bleeds with CC (50 mg/day) and recombinant follicle-stimulating hormone (FSH) till the day of trigger while donors in the other group were stimulated using recombinant FSH from day 1 or 2, and the antagonist was added as per flexible antagonist protocol. When >3 follicles were >17 mm in diameter, trigger was given with 2 mg leuprolide intramuscular. Transvaginal oocyte retrieval was done after 34 h of trigger. RESULTS: There was no significant difference in between the two groups in terms of age, antral follicle count, starting dose of gonadotropins, total dose required, duration of stimulation, number of follicles retrieved, mature follicles, and fertilization rate. The serum estradiol levels were significantly raised in the clomiphene group (P < 0.001). Pregnancy rate was similar in both the groups. The clinical pregnancy rate was 65.94% in the clomiphene group and 57.46% in the antagonist group. The live birth rate per cycle started was 47.8% in the clomiphene group and 39.55% in the antagonist group. There was one case of ectopic pregnancy in the antagonist group. CONCLUSION: Controlled ovarian stimulation using clomiphene and gonadotropin is a viable option for donor oocyte cycles. The cost and number of injections used per cycle can be reduced by using the clomiphene-based protocols.

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