title: Supplemental progesterone to prevent preterm birth.
authors.forename: Jay D
authors.initials: JD
authors.lastname: Iams
mesh_terms: D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D011374:Progesterone / Q000627:therapeutic use*
chemical_list: D011374:Progesterone