title: Re: Use of serum progesterone measurements to reduce need for follow-up in women with pregnancies of unknown location.
authors: T
authors: T
authors: Bignardi
authors: G
authors: G
authors: Condous
mesh_terms: D015415:Biomarkers / Q000097:blood; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000097:blood* / Q000175:diagnosis; D011374:Progesterone / Q000097:blood*
chemical_list: D015415:Biomarkers; D018997:Chorionic Gonadotropin, beta Subunit, Human; D011374:Progesterone