To study the influence of different daily rec-FSH dosages (150 IU versus 300 IU), performed in the same patient in consecutive cycles, on the relation between FSH- and LH-receptors of the granulosa cells of the growing follicle.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Number of FSHR- and LHR of the GC, obtained from one follicle on the morning of day 5, before the administration of the first GnRH-antagonist, punctured during the ovarian stimulation cycle
Timeframe: 5 days
Number of FSHR- and LHR of the GC, obtained from tone follicle of the size of 12 to 14 mm, when at least 2 to 3 follicles have reached a size of 12 to 14 mm, punctured during the ovarian stimulation cycle
Timeframe: 1 day
Number of FSHR- and LHR of the GC, obtained from two follicles (= pre-ovulatory follicle) on the morning of the day of final oocyte maturation, punctured during the ovarian stimulation cycle
Timeframe: 1 day
Number of FSHR- and LHR of the GC, obtained from the follicular fluid of follicles aspirated during OPU
Timeframe: 1 day