title: A method of screening for suspected ectopic pregnancy.
mesh_terms: D002582:Cervix Mucus / Q000032:analysis; D006063:Chorionic Gonadotropin / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin