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Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.
Original Research
The effect of length of the follicular phase on pregnancy outcome following single embryo transfer (ET) in hypergonadotropic women
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The University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School at Camden, Cooper Hospital/University Medical Center, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology & Infertility, Camden NJ (USA)
Clin. Exp. Obstet. Gynecol. 2009, 36(2), 76–77;
Published: 10 June 2009
Abstract
Objective: To evaluate whether a short follicular phase adversely affects pregnancy rates following in vitro fertilization-embryo transfer in women with diminished egg reserve similarly to women with short follicular phases and normal egg reserve. Methods: A retrospective review of women with day 3 serum FSH > 12 mIU/mL having only a single embryo transfer. Pregnancy rates were determined according to length of follicular phase, i.e., until day of egg retrieval. Results: The ongoing/delivery pregnancy rates for women having oocyte retrievals on day 10 or earlier was 20.0% (20/63) compared to 16.1% (34/210) for those having retrievals on day 11 or later (p = NS). Conclusions: Either length of the follicular phase is not an important factor for achieving a pregnancy in women with diminished egg reserve or the use of ethinyl estradiol in the follicular phase negates the adverse effect of the short follicular phase even if it fails to lengthen this phase to at least ten days.
Keywords
Diminished egg reserve
Length of follicular phase
Ethinyl estradiol