primary follicle Corpus luteum formation ovulation graafian follicle preantral follicle secondary follicle Primordial follicle
time 28 days Follicular Phase Luteal Phase
LH T TETE E FSH TTTETE 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%