Puberty represents the complex transition from childhood to adulthood characterized by linear growth acceleration and sex hormone–mediated physical changes followed by reproductive capability and skeletal maturity. The timing varies widely and is affected by genetic and environmental factors. Age at sexual maturity in females has progressively declined during the past 2 centuries, with an earlier age of pubertal onset and menarche in females being driven in part by increased adiposity.1
Curtis VA, Allen DB. Male Pubertal Timing—Boys Will Be Men, but When? JAMA Pediatr. 2019;173(9):819–820. doi:10.1001/jamapediatrics.2019.2306
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