Figure 1.
Timeline of the study design at T0 (during childbirth classes) and at T30 (pregnant women participating from home).
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.