Second-trimester transvaginal ultrasound measurement of cervical length for prediction of preterm birth: a blinded prospective multicentre diagnostic accuracy study.
Pihla KuuselaB JacobssonH HagbergH FadlP LindgrenJ WesströmU-B WennerholmLil ValentinPublished in: BJOG : an international journal of obstetrics and gynaecology (2020)
Cervical length screening to predict preterm birth in a white low-risk population has moderate performance.