Letter: The pill and subsequent pregnancies.
D000014:Abnormalities, Drug-Induced / Q000453:epidemiology*; D000022:Abortion, Spontaneous / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D005333:Fetus / Q000187:drug effects*; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D013997:Time Factors
D003276:Contraceptives, Oral