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.
^ Women gave birth in 2009, survey conducted in 2010; Women gave birth in 2017, survey conducted in 2018. * IFS data for 2005 and 2010 refers to England only; data for 2000 combines England and Wales.
