title: A hidden risk: extrauterine pregnancy after tubal sterilization.
mesh_terms: D005260:Female; D006801:Humans; D008428:Maternal Mortality; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000401:mortality; D012306:Risk; D013246:Sterilization, Tubal / Q000009:adverse effects / Q000379:methods; D014481:United States