The "morning-after pill".
D000284:Administration, Oral; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004054:Diethylstilbestrol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D011247:Pregnancy
D003276:Contraceptives, Oral; D004054:Diethylstilbestrol