Smacklon, N.

follicle stimulation cycle phase development follicle development study concentration hormone reprod growth fertil fauser antagonist serum follicle selection women hyperstimulation endocrinol steril selection gonadotrophin luteal phase administration hyperstimulation syndrome pregnancy embryo metab patient factor oocyte number exogenou fertilization exogenous fsh fsh concentrations effect syndrome oestradiol fsh stimulation figure van santbrink gnrh antagonists transfer gougeon corpus luteum fsh window stimulation protocols cohort luteal b.c.j.m diameter approach follicle-stimulating stimulation regimens response cohort follicles gonadotrophin-releasing hormone antagonist mechanism olivenne oocyte meiotic maturation in-vitro inhibin santbrink cycling women initiation quality ultrasound antral follicles mid-cycle lh peak stage ovulation decremental schipper van heusden van dessel maturation dessel cycle day 7 concept