ArticleFrontiers in endocrinology2021
Early Follicular Phase Human Chorionic Gonadotropin Addition May Improve the Outcomes of
Article in Frontiers in endocrinology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 1 institution in 1 country.
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Abstract
Purpose: To compare the effects of early and mid-late follicular phase administration of 150 IU of human chorionic gonadotropin (hCG) on gonadotropin-releasing hormone (GnRH) antagonist protocol in "unpredictable" poor ovarian response (POR) women undergoing Methods: A retrospective single-center cohort study was conducted on 67 patients with "unpredictable" POR in their first IVF/ICSI cycle receiving GnRH antagonist protocol. Patients were treated with a second IVF/ICSI cycle using the same GnRH antagonist protocol with the same starting dose of recombinant follicle-stimulating hormone (rFSH) as the first cycle; a daily dose of 150 IU of hCG was administrated on either stimulation day 1 (Group A, n = 35) or day 6 (Group B, n = 32). The number of oocytes retrieved, number of usable embryos, serum level of estradiol (E Results: The addition of 150 IU of hCG on either the first day or sixth day of stimulation increases the serum level of E Conclusions: Our study demonstrated that adding 150 IU of hCG in subsequent GnRH antagonist cycle in "unpredictable" poor responders is associated with the improvement of response to stimulation. Furthermore, early follicular phase addition of 150 IU of hCG significantly increased the number of oocytes retrieved and usable embryos than did the mid-late addition of the same dose.
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