Fertility and sterility · 1996
An elevated day three follicle-stimulating hormone:luteinizing hormone ratio (FSH:LH) in the presence of a normal day 3 FSH predicts a poor response to controlled ovarian hyperstimulation.
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Mukherjee T, Copperman A B, Lapinski R, Sandler B, Bustillo M, Grunfeld L
Аннотация
OBJECTIVE: To determine if an elevated FSH:LH ratio predicts response in infertile patients undergoing controlled ovarian hyperstimulation (COH) for IVF-ET.
DESIGN: Retrospective study.
SETTING: The Division of Reproductive Endocrinology at the Mount Sinai Medical Center, New York, New York.
PARTICIPANTS: Seventy-four patients undergoing IVF-ET using similar protocols for COH with day 3 FSH, LH, and E2 testing available for analysis. All patients were < 41 years of age and had day 3 serum FSH < 15 mIU/mL (conversion to SI unit, 1.00).
MAIN OUTCOME MEASURES: Follicle-stimulating hormone:LH ratio, day 8 serum E2, peak serum E2, cancellation rate, pregnancy rate, and number and size of follicles.
RESULTS: An FSH:LH ratio > or = 3.6 (group I) predicted a poor response to COH (sensitivity 85.7% and specificity 95%). There were no significant differences regarding day 3 serum FSH and ampules of gonadotropins used for COH. Group I (ratio > or = 3.6) patients responded to COH with lower day 8 E2 (97 +/- 18 versus 319 +/- 36 pg/mL; conversion factor to SI unit, 3.671), peak E2 (422 +/- 115 versus 2,368 +/- 183 pg/mL), and fewer follicles > 15 mm (1.3 +/- 0.5 versus 17.1 +/- 1.0). In group I the cycle cancellation rate (12/14) was significantly higher than the group II cycle cancellation rate (2/60) and pregnancy rate in group II (ratio < 3.6) was 25%.
CONCLUSIONS: The FSH:LH ratio may increase before a dramatic increase in serum FSH is observed and appears to be a useful marker of ovarian reserve.
DESIGN: Retrospective study.
SETTING: The Division of Reproductive Endocrinology at the Mount Sinai Medical Center, New York, New York.
PARTICIPANTS: Seventy-four patients undergoing IVF-ET using similar protocols for COH with day 3 FSH, LH, and E2 testing available for analysis. All patients were < 41 years of age and had day 3 serum FSH < 15 mIU/mL (conversion to SI unit, 1.00).
MAIN OUTCOME MEASURES: Follicle-stimulating hormone:LH ratio, day 8 serum E2, peak serum E2, cancellation rate, pregnancy rate, and number and size of follicles.
RESULTS: An FSH:LH ratio > or = 3.6 (group I) predicted a poor response to COH (sensitivity 85.7% and specificity 95%). There were no significant differences regarding day 3 serum FSH and ampules of gonadotropins used for COH. Group I (ratio > or = 3.6) patients responded to COH with lower day 8 E2 (97 +/- 18 versus 319 +/- 36 pg/mL; conversion factor to SI unit, 3.671), peak E2 (422 +/- 115 versus 2,368 +/- 183 pg/mL), and fewer follicles > 15 mm (1.3 +/- 0.5 versus 17.1 +/- 1.0). In group I the cycle cancellation rate (12/14) was significantly higher than the group II cycle cancellation rate (2/60) and pregnancy rate in group II (ratio < 3.6) was 25%.
CONCLUSIONS: The FSH:LH ratio may increase before a dramatic increase in serum FSH is observed and appears to be a useful marker of ovarian reserve.