title: Combined pregnancy after gonadotropin therapy.
abstract: Three cases of combined pregnancy are described after gonadotropin therapy; two cases after human pituitary gonadotropin and one after human menopausal gonadotropin administration. In each case the intrauterine gestation was a multiple pregnancy. After salpingectomy, two of the women have proceeded to the delivery of healthy infants; the third woman aborted. In each case the gonadotropin stimulation regimen was ceased at the appropriate stage when the estriol excretion was between 60 and 125 micrograms/day, but the subsequent rate of rise of estriol was 2.3- to 3.2-fold during the coasting phase before the human chorionic gonadotropin trigger when the estriol excretion rate was 140 to 350 micrograms/day.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D000328:Adult; D005260:Female; D005640:Follicle Stimulating Hormone / Q000627:therapeutic use; D006062:Gonadotropins / Q000627:therapeutic use*; D006801:Humans; D007247:Infertility, Female / Q000188:drug therapy; D007986:Luteinizing Hormone / Q000627:therapeutic use; D010062:Ovulation Induction; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000139:chemically induced*
chemical_list: D006062:Gonadotropins; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone