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Sexual Maturity Rating – SMR in boys and girls

August 2, 2014

In girls, the 1st visible sign of puberty and the hallmark of SMR 2 is the appearance of breast buds, between 8 and 12 yr of age. Menses typically begins 2-2.5 yr later, during SMR3-4 (median age, 12 yr; normal range, 9-16 yr). Less obvious changes include enlargement of the ovaries, uterus, labia, and clitoris, […]

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