1.2. Analysis.
Comparison 1 Lower genital tract infection screening versus no screening, Outcome 2 Preterm very low birthweight (below or equal 1500 g).
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.