title: "Missed pill" conception: fact or fiction?
mesh_terms: D003276:Contraceptives, Oral; D004966:Estrogens, Conjugated (USP) / Q000652:urine; D004970:Estrone / Q000031:analogs & derivatives / Q000652:urine; D005260:Female; D005306:Fertilization; D006801:Humans; D008597:Menstrual Cycle
chemical_list: D003276:Contraceptives, Oral; D004966:Estrogens, Conjugated (USP); C015856:estrone-3-glucuronide; D004970:Estrone