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.
Data presented are controlled for child survivorship, mother's age, parity, religion, socioeconomic status, and village for 1,526 women. Purple curve, access to taps; blue curve, no access to taps.
