Hip bones get widen, bodies become curvier, breasts start to develop, periods start, and you gain more weight.
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The main hormone causing puberty in girls is Estrogen.
The girls behave this way as the hormone level in them increases.
The average age for girls (physical changes) is 10-11, but puberty may show from ages as young as 8 to as old as 14.
Early signs of puberty for girls include Body shape changes and discharge.For more detailed information visit:http://www.ehow.com/how_2102746_tell-youve-started-puberty.html
The main cause of change at puberty are started by the production of our hormones(testosterone for boys and the estrogen and progesterone for girls)
Girls need to feel happy and proud about what is happening to them during puberty because the changes that occur will prepare them to be adults and have a family.
Shaving obviously! Boys- shave their face. Girls- shave their armpits and legs.
The changes that take place are mostly due to the testosterone in males. In girls, the hormone oestrogen is important.
During puberty many changes happen in the body including changes in the bones. For girls, the pelvis begins to open more and get wider.
Puberty is a phase where body grows rapidly in short time. This is because of the hormones that are flowing in abundance.The main changes during puberty in girls is the onset of menstruation. While in males it is increase in the size of testis and ejaculation .