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Puberty What is puberty? Puberty is the process of physical changes by which a child's body becomes an adult body capable of reproduction. What causes puberty? Puberty is initiated by hormone signals from the pituitary gland in the brain to the ovaries and/or testes. These signals from the pituitary gland cause the ovaries and testes to produce a variety of hormones that stimulate the growth, function, or transformation of brain, bones, muscle, skin, breasts, and reproductive organs. When does puberty occur? Usually, puberty starts between ages 8 and 13 in girls and ages 10 and 15 in boys. What happens during puberty? Boys and girls experience puberty in different ways. When girls experience puberty, their bodies usually become curvier. Their hips get wider and their breasts develop. Breast development starts with just a little swelling under the nipples. Sometimes one breast grows more quickly than the other, but most of the time they even out. Girls usually get their first menstrual period about 2 years after her breasts start to develop. When boys experience puberty, their muscles grows bigger, their chests become more broad, the tone of their voice deepens, and they have increased hair production. Puberty and AcneAcne usually occurs during puberty. Acne might occur on the face, upper back, or upper chest. To help control pimples, wash your face twice a day with warm water and a mild soap or cleanser. Don't squeeze, pick, or pop your pimples.
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