Effect of second-trimester sonographic cervical length on the risk of spontaneous preterm delivery in different risk groups: A prospective observational multicenter study.

Tove WikströmHenrik HagbergBo Jacobson Pihla Kuusela Jan WesströmPeter LindgrenHelena E Backman Ulla-Britt Wennerholm Lil Valentin

Published in: Acta obstetricia et gynecologica Scandinavica (2021)

The effect of cervical length at 21-23 weeks on the risk of spontaneous PTD <33 weeks is similar in high- and low-risk pregnancies. The differences in number needed to screen should be considered before implementing a screening program.

Keyphrases

gestational age
preterm birth
quality improvement
low birth weight
high throughput
cross sectional
pregnant women
pregnancy outcomes
single cell