When a child's body starts changing into an adult too earlier, it is considered as early puberty. Girls who have signs of puberty before age 7 are known as precocious puberty. Changing in body shape and size, rapid growth of bones and muscles are fair indication of puberty. Boys also acquire puberty between ages 9-14.However the root causes of puberty can't be found. Typical conditions such as tumours, hormone disorders might lead to precocious puberty.
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