primary follicle Corpus luteum formation ovulation graafian follicle preantral follicle secondary follicle Primordial follicle.

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Presentation transcript:

primary follicle Corpus luteum formation ovulation graafian follicle preantral follicle secondary follicle Primordial follicle

time 28 days Follicular Phase Luteal Phase

LH T TETE E FSH TTTETE theca cell granulosa cell LH FSH Steroidogenesis: follicular phase inhibin ?

HPG axis

Menstrual Cycle

Hormonal Control of Follicle Stimulation stimulation monthmonth before stimulation

% live births per transfer age % success own eggs donor eggs Note: these women are all pre-menopausal

Types of IVF 75% 13% 8% 3% 1%