title: Is transabdominal ultrasound imaging enough to evaluate the gravid cervix?
authors: Mariam
authors: M
authors: Moshiri
authors: Theodore J
authors: TJ
authors: Dubinsky
mesh_terms: D002584:Cervix Uteri / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000000981:diagnostic imaging*; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000379:methods* / Q000592:standards*; D014481:United States; D060725:Uterine Retroversion / Q000000981:diagnostic imaging*