Guideline No. 401: sonographic cervical length in Singleton Pregnancies: techniques and clinical applications
J. obstet. gynaecol. Can; 42 (11), 2020
To assess the association between sonography-derived cervical length measurement and preterm birth. To describe the various techniques to measure cervical length using sonography. To review the natural history of the short cervix. To review the clinical uses, predictive ability, and utility of sonography...