Beckers, Nicole G.M., Macklon, Nicholas S., Eijkemans, Marinus J.C. and Fauser, Bart C.J.M.
Women with regular menstrual cycles and a poor response to ovarian hyperstimulation for in vitro fertilization exhibit follicular phase characteristics suggestive of ovarian aging
Fertility and Sterility, 78, (2), . (doi:10.1016/S0015-0282(02)03227-2). (PMID:12137865).
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Objective: To investigate whether follicular phase characteristics associated with ovarian aging can be observed in women of normal reproductive age, who had previously shown a poor response to ovarian hyperstimulation for IVF.
Design: Observational, prospective study.
Setting: Tertiary fertility center.
Patient(s): Eleven regularly cycling, ovulatory women, aged 29–40 years who previously presented with fewer than four dominant follicles after ovarian hyperstimulation for IVF.
Intervention(s): Frequent serum hormone assessments and transvaginal ultrasound during the follicular phase of a spontaneous, unstimulated cycle.
Main Outcome Measure(s): Duration of the follicular phase; serum LH, FSH, E2, P, inhibin A, and inhibin B levels; and number of antral follicles observed by ultrasound. Results were compared with the cycle characteristics of a reference population of 38 healthy normo-ovulatory women aged 20–36 years (as published elsewhere).
Result(s): Poor responders had significantly fewer antral follicles than controls. Median FSH concentrations were significantly higher compared with controls, but the majority had FSH levels within the normal range. Follicular phase P levels were significantly higher in poor responders. Duration of the follicular phase, E2, and inhibin A and inhibin B serum levels did not differ between poor responders and controls.
Conclusion(s): Normo-ovulatory regularly cycling women with a previous poor response to ovarian hyperstimulation for IVF show follicular phase characteristics suggestive of ovarian aging.
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