title: What is the optimal protocol for diagnosis of ectopic pregnancy?
authors.affiliation: Department of Family Medicine, University of North Carolina, Chapel Hill, USA.
authors.forename: L
authors.initials: L
authors.lastname: Abrahamson
authors.forename: W
authors.initials: W
authors.lastname: Newton
mesh_terms: D000465:Algorithms; D006063:Chorionic Gonadotropin / Q000097:blood; D003661:Decision Support Techniques; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011374:Progesterone / Q000097:blood; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone