Delay of menstruation with norethindrone, an orally given progestational compound.
D003702:Delusions; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects*; D009640:Norethindrone; D011374:Progesterone / Q000031:analogs & derivatives; D011372:Progestins; D011555:Pseudopregnancy
D011372:Progestins; D011374:Progesterone; D009640:Norethindrone
MENSTRUATION/effect of drugs on; PROGESTERONE/related compounds; PSEUDOPREGNANCY/experimental