Reproductive mortality.
D003276:Contraceptives, Oral / Q000009:adverse effects; D005002:Ethiopia; D005260:Female; D006801:Humans; D008428:Maternal Mortality; D011247:Pregnancy; D011248:Pregnancy Complications / Q000401:mortality; D012306:Risk; D006113:United Kingdom; D014481:United States
D003276:Contraceptives, Oral