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What is puberty?
Puberty is a stage of development where your child's body starts to take on adult form. Learn about puberty in girls and how to talk to your daughter about puberty. Puberty is a stage of development. Puberty is marked by physical changes. It involves the onset of sexuality and the ability to reproduce. Breast buds are tender, hard bumps below the skin under the nipple area. Over time, the breasts begin to grow and swell. They will become less tender.
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Nearly all the organ systems in the human body begin to grow and develop after birth. However, the reproductive system remains inactive for several years. While it is dormant, the brain secretes very small amounts of reproductive hormones gonadotrophins , preventing any sexual development from occurring. When girls reach the age of about , a surge of reproductive hormones are secreted by the brain, activating the reproductive system to prepare it for adult function. This surge is generally referred to as the onset of puberty and leads to the beginning of adult sexual life. The levels of these hormones increase gradually from the ages of and then more sharply during the early teenage years. Puberty generally marks the beginning of adolescence , but the two things are not identical.