Importance Bone health in early life is thought to influence the risk of osteoporosis in later
life. Objective To examine whether puberty timing is associated with bone mineral density
accrual up to adulthood. Design, Setting, and Participants This cohort study used data from
the Avon Longitudinal Study of Parents and Children, a prospective population-based birth
cohort initiated in 1991 to 1992 in southwest England. The participants were 6389 healthy
British people who underwent regular follow-up, including up to 6 repeated bone density …