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.
Flow chart depicting the follow-up of the birth cohort. WAMI, Water and sanitation, Assets, Maternal education and Income score for socio-economic status; RPM, Raven’s progressive matrices; BSID III, Bayley Scales of Infant and Toddler Development III; WPPSI III, Wechsler Preschool Primary Scales of Intelligence
