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  • Title: Alterations in luteal phase progesterone and estradiol production after leuprolide acetate therapy before ovarian stimulation for in vitro fertilization.
    Author: Brzyski RG, Jones GS, Jones HW, Oehninger S, Muasher SJ.
    Journal: Fertil Steril; 1991 Jan; 55(1):119-24. PubMed ID: 1898886.
    Abstract:
    The impact of pituitary suppression with a gonadotropin-releasing hormone agonist (GnRH-a) on the luteal phase of in vitro fertilization (IVF) cycles was examined in 21 women who underwent identical stimulation regimens with and without leuprolide acetate pretreatment. The areas under the serum progesterone curves, measured over the 1st 10 days of the luteal phase, were significantly greater in the GnRH-a cycles compared with the non-GnRHa cycles, but when calculated per oocyte retrieved were similar in GnRH-a and non-GnRH-a cycles. In contrast, the areas under the luteal phase serum estradiol curves were significantly less in the GnRH-a cycles. These data suggest that GnRH-a treatment is accompanied by potentially beneficial alterations in the systemic steroidal milieu of the luteal phase of IVF cycles.
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