title: Problems in contraception.
mesh_terms: D000804:Angiotensin II / Q000378:metabolism; D001723:Birth Rate; D001798:Blood Proteins / Q000378:metabolism; D003267:Contraception; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects; D005193:Family Planning Services; D005260:Female; D006801:Humans; D006973:Hypertension / Q000139:chemically induced; D008297:Male; D008722:Methods; D011247:Pregnancy; D012083:Renin / Q000378:metabolism; D013923:Thromboembolism / Q000139:chemically induced; D014481:United States
chemical_list: D001798:Blood Proteins; D003276:Contraceptives, Oral; D004967:Estrogens; D000804:Angiotensin II; D012083:Renin