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What causes puberty to begin?

Puberty begins when luteinizing hormone (LH) is produced in the pituitary gland and released in pulses, especially at night. This takes place approximately three years prior to the physical development of secondary sex characteristics, such as hair, breast, and penis growth. LH interacts with other hormones such as testosterone and estrogen to cause the development of these secondary sex characteristics.

Continue Learning about Puberty

At what age does puberty begin?
Honor Society of Nursing (STTI)Honor Society of Nursing (STTI)
Puberty typically begins at different ages for males and females. Females tend to begin puberty firs...
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How long does puberty last?
Honor Society of Nursing (STTI)Honor Society of Nursing (STTI)
Puberty typically lasts for several years, but the duration varies from individual to individual. Mo...
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Are Children Reaching Puberty Earlier Than Before?
Are Children Reaching Puberty Earlier Than Before?
What Happens to the Female Brain at Onset of Puberty?
What Happens to the Female Brain at Onset of Puberty?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.