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.
Observed mean weight trajectories of children in 5 cohort studies. ALSPAC, Avon Longitudinal Study of Parents and Children (1990–2012); BCG, Barry Caerphilly Growth Study (1972–1979); BiB, Born in Bradford Study (2007–2015); CHS, Christ’s Hospital School Study (1936–1964); PROBIT, Promotion of Breastfeeding Intervention Trial (1996–2016).
