title: The value of ultrasound in ectopic pregnancy.
mesh_terms: D000290:Adnexa Uteri / Q000473:pathology; D001202:Ascitic Fluid / Q000473:pathology; D006063:Chorionic Gonadotropin / Q000097:blood; D005260:Female; D006801:Humans; D008598:Menstruation; D010146:Pain / Q000209:etiology; D011247:Pregnancy; D011258:Pregnancy Tests; D011271:Pregnancy, Ectopic / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D014463:Ultrasonography; D014592:Uterine Hemorrhage / Q000209:etiology; D014599:Uterus / Q000473:pathology
chemical_list: D006063:Chorionic Gonadotropin