title: Cervical length and preterm labor.
authors: Division of Maternal-Fetal Medicine, Ohio State University College of Medicine, Ohio State University Medical Center, Columbus 43210, USA. Colombo.4@OSU.edu
authors: D F
authors: DF
authors: Colombo
authors: J D
authors: JD
authors: Iams
mesh_terms: D002584:Cervix Uteri / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011237:Predictive Value of Tests; D011247:Pregnancy; D016216:Ultrasonography, Prenatal