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ase in height and bone density. Skin changes: Similar to girls, increased oil production may cause acne. Features and Pros/Cons Pros: Greater muscle mass can enhance strength and athletic performance. Deeper voice and facial hair are often culturally associated with matu

onal Surge and Its Effects Estrogen and Testosterone: These are the primary hormones responsible for puberty in girls. Estrogen promotes the development of female secondary sexual characteristics, while testosterone, present in smaller amounts, also plays a role. Hormona