Abstract
A common problem encountered by in vitro fertilization (IVF) programs is the premature occurrence of the spontaneous lutenizing hormone (LH) surge during ovarian stimulation cycles. Administration of gonadotropin-releasing hormone agonists (GnRH-a) for 2 to 3 weeks produces a state of hypogonadotropic hypogonadism, thus allowing ovarian stimulation to proceed uncomplicated by a spontaneous LH surge. We have elected to treat seven patients with GnRH-a in a “short-term” protocol, with GnRH-a initiated on cycle day 3 along with exogenous gonadotropins. In this series, we found that the spontaneous LH surge was abolished, while ovarian responsiveness seemed to be improved. These results suggest that the initial surge of gonadotropins elicited by GnRH-a administration may enhance ovarian stimulation and that spontaneous LH surge is blocked when GnRH-a and exogenous gonadotropins are initiated concomitantly.
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Katayama KP, Gunnarson C, Roesler MR, Stehlik E: In preparation
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Katayama, K.P., Roesler, M., Gunnarson, C. et al. Short-term use of gonadotropin-releasing hormone agonist (Leuprolide) for in vitro fertilization. J Assist Reprod Genet 5, 332–334 (1988). https://doi.org/10.1007/BF01129568
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DOI: https://doi.org/10.1007/BF01129568