using pulsatile lh-rh administration , ovulation induction was performed in women with pituitary dwarfism ( pd , n = 1 ) , isolated gonadotropin deficiency ( igd , n = 5 ) , secondary hypothalamic amenorrhea ( gestagen negative ( am2 , n = 10 ) , positive ( am1 , n = 5 ) ) , polycystic ovarian disease ( pco , n = 6 ) and anovulatory cycle ( anov , n = 1 ) .
C0023610
lh-rh
C0020663
hypothalamic