Journal of Human Reproductive Science
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ORIGINAL ARTICLE Table of Contents   
Year : 2009  |  Volume : 2  |  Issue : 2  |  Page : 62-67
Pre-hCG 3D and 3D power Doppler assessment of the follicle for improving pregnancy rates in intrauterine insemination cycles

Department of Ultrasound, Dr. Nagori's Institute for Infertility and IVF, Ahmedabad, India

Correspondence Address:
Sonal Panchal
Dr. Nagori's Institute for Infertility and IVF, 2nd Floor, Kedar, Opp. Petrol Pump, Nr. Parimal Garden, Ahmedabad - 380 006
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-1208.57224

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Background: The assessment of follicular maturity at the time of human chorionic gonadotropin (hCG) is one of the key factors for the success of all assisted reproductive techniques. Aim: To assess follicles by three dimensional (3D) and 3D power Doppler (PD) before giving hCG to improve pregnancy rates in intrauterine insemination (IUI) cycles. Design: Prospective randomized study. Materials and Methods: Ultrasound for pre-hCG follicular assessment was performed over a period of 10 months for all 1000 cycles of IUI. Follicular assessment was performed using a transvaginal multifrequency volume probe. Follicles considered mature by 2D US and color Doppler were assessed by 3D and 3D PD. These values were independently evaluated for the conception and the non-conception groups. Results: Conception rates were 32.3 and 27% respectively and individually when the perifollicular resistance index was < 0.50 and the peak systolic velocity was > 11 cm/s 10-12 h before hCG. Conception rates of 32% were achieved with a follicular volume between 3 and 7 cc. The conception rate was 32.3% in the cumulus group. A perifollicular vascularity index of between six and 20 gave conception rates of 35% and perifollicular flow index of 27-43 gave conception rates of 33%. Conclusions: 3D ultrasound is much more accurate for volume assessment of the follicle. Presence of cumulus increases the surety of the presence of a mature ovum in the follicle. 3D and 3D PD when used with 2D US and color Doppler for pre-hCG follicular assessment would definitely improve pregnancy rates in IUI cycles.

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