title: Progestasert IUD and ectopic pregnancy.
mesh_terms: D003300:Copper; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology*; D011372:Progestins
chemical_list: D011372:Progestins; D003300:Copper