(Abstracted from Eur J Obstet Gynecol Reprod Biol 2018;229:132–136)
Preterm birth (PTB) is a leading cause of perinatal morbidity and mortality. Over the last few years, cervical assessment has moved from digital examination to ultrasound evaluation, and ultrasound of the cervix has been the focus of much research.
Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II, Naples, Italy (G.S., P.D.A., B.A., A.R., A.G., P.M., F.Z.); Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA (V.B.); Department of Obstetrics and Gynecology, School of Medicine, University of Catanzaro Magna Grecia, Catanzaro (R.V.); and Department of Woman's and Child's Health, University of Padua, Padua (S.V., A.V.), Italy