Am J Obstet Gynecol MFM
August 2025
Objective: To evaluate the efficacy of cervical cerclage in preventing preterm birth (PTB) in asymptomatic singleton pregnancies without prior spontaneous PTB and with a mid-trimester short transvaginal ultrasound cervical length (TVU CL).
Data Sources: MEDLINE, ClinicalTrials.gov, and the Cochrane Central Register of Controlled Trials were searched for the following terms: 'cerclage,' 'cervical cerclage,' 'salvage,' 'rescue,' 'emergency,' 'ultrasound-indicated,' 'short cervix,' 'cervical length,' 'ultrasound,' and 'randomized trial,' from inception of each database until November 2024.