the lh fsh estradiol and progesterone responses to acute stimulation with lh-rh were studied in 12 normal women with ovulatory cycles ( 4 in the initial follicular phase , 4 in the mid-follicular phase and 4 in the late follicular phase ) and in two castrated women , two under hormonal contraception , two with ovarian amenorrhea , twelve with central amenorrhea of no detectable origin ( 6 with normal and 6 with low basal gonadotrophins ) , eleven anovulatory patients with pseudomenstruation , two with anorexia nervosa , and two with pituitary amenorrhea .
C0023610
lh-rh
C0002453
amenorrhea