OB/GYN Student Study Guide - School of Medicine

3. Thelarche (breast, 11 yo): Tanners stages. 4. Pubarche (12 yo): pubic hair, Axillary hair. 5. Growth spurt: (9-13 yo): increase GH and somatomedian – C result in peak height velocity, increase estrogen levels, fusion of growth plate. 6. Menarche: (12 – 13 yo): anovulatory period up to 1 year, may take 2 years to have regular cycle ... ................
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