title: Diagnosis of ectopic pregnancy.
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D012015:Reference Standards; D014463:Ultrasonography
chemical_list: D006063:Chorionic Gonadotropin