title: The influence of recent use of an oral contraceptive on early intrauterine development.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000453:epidemiology*; D000022:Abortion, Spontaneous / Q000139:chemically induced*; D002170:Canada; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005321:Extraembryonic Membranes / Q000473:pathology; D005260:Female; D005315:Fetal Diseases / Q000139:chemically induced*; D005333:Fetus / Q000473:pathology*; D005865:Gestational Age; D006801:Humans; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D013223:Statistics as Topic
chemical_list: D003276:Contraceptives, Oral