title: Clinical practice. Prevention of preterm parturition.
authors.forename: Jay D
authors.initials: JD
authors.lastname: Iams
mesh_terms: D000328:Adult; D023802:Cerclage, Cervical; D020070:Cervical Ripening / Q000502:physiology; D002584:Cervix Uteri / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000187:drug effects; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D047928:Premature Birth / Q000517:prevention & control*; D011374:Progesterone / Q000627:therapeutic use*; D012307:Risk Factors; D014463:Ultrasonography
chemical_list: D011374:Progesterone