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.
Infants whose mothers (with a short cervix) received vaginal progesterone (vs. placebo) had a significantly lower risk of respiratory distress syndrome, composite neonatal morbidity and mortality, birthweight <1500 g, admission to neonatal intensive care unit, and requirement for mechanical ventilation
