6.6. Analysis.
Comparison 6 Cerclage versus no cerclage (Summary of findings outcomes), Outcome 6 Preterm birth before 34 completed weeks.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.