title: Determining ectopic pregnancy risk using progesterone levels.
authors.forename: Dewey C
authors.initials: DC
authors.lastname: Scheid
authors.forename: Kalyanakrishnan
authors.initials: K
authors.lastname: Ramakrishnan
mesh_terms: D015415:Biomarkers / Q000097:blood; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011374:Progesterone / Q000097:blood*
chemical_list: D015415:Biomarkers; D011374:Progesterone