title: The problem of birth control.
mesh_terms: D001723:Birth Rate; D003267:Contraception; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D006113:United Kingdom
chemical_list: D003276:Contraceptives, Oral