Development of the oral contraceptives.
D003276:Contraceptives, Oral / Q000266:history*; D004054:Diethylstilbestrol / Q000266:history; D005260:Female; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D013781:Texas
D003276:Contraceptives, Oral; D004054:Diethylstilbestrol