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Delayed Sexual Development

(Delayed Puberty; Delayed Sexual Maturation)
  • Definition

    Girls enter puberty between the ages of 8-14. Boys enter this stage between the ages of 9-14. When this stage is late, it is called delayed sexual development.
  • Causes

    This condition can be caused by:
  • Risk Factors

    Factors that may increase the chance of delayed puberty include:
    Complications From Cystic Fibrosis
    mucous plug aveoli and pancrease
    Copyright © Nucleus Medical Media, Inc.
  • Symptoms

    One common symptom for both boys and girls is shortness in height. Other symptoms by gender include:
    • Symptoms in boys:
      • Lack of testicular enlargement by age 14
      • Lack of pubertal maturation by age 14
      • Sex organs that don’t completely develop within 5 years after they started to develop
    • Symptoms in girls:
      • Lack of breast development by age 13
      • No breast tissue or pubic hair by age 14
      • Lack of menstruation for 5 years or more after initial breast development
      • Failure to menstruate by age 15-16
  • Diagnosis

    You will be asked about your child’s symptoms and medical history. A physical exam will be done. Your child's milestones and growth record will be reviewed. An x-ray of the left wrist bones may be taken to assess bone age. This will help to assess if bone development is normal for your child’s current level of pubertal development.
    Your child's hormone levels may be tested. This can be done with blood tests.
    Images may be taken of your child's bodily structures. This can be done with:
  • Treatment

    There is often no treatment for those who are healthy and just starting later than their peers. They will continue to be monitored.
    Other treatment depends on the cause. For those who have a chronic underlying disease, treatment is aimed at the specific condition. After the condition is treated, puberty often begins on its own.
    For others, treatments may include:
    Sex Hormone Replacement
    Sex hormones will help begin sexual development. They may be given to those with chromosomal abnormalities. This can include Turner syndrome or Klinefelter syndrome. Hormones may also be given to teens who are severely delayed or overly stressed by their lack of development.
    Psychological Support
    Counseling may be suggested for adolescents who are struggling with the delay. This may help the child cope with social pressures.
    Ongoing Monitoring
    Your child’s height, weight, and sexual development will continue to be monitored. This will help determine if any treatment has been effective.
  • Prevention

    Most causes of delayed sexual development cannot be prevented. To help reduce the chance, make sure your child maintains a healthy lifestyle. This includes making sure your child is eating well and getting nutrients. Make sure any underlying illness is treated.

    Family Doctor—The American Academy of Family Physicians

    Healthy Children—American Academy of Pediatrics


    About Kids Health—The Hospital for Sick Children

    Caring for Kids—Canadian Paediatric Society


    Blondell RD, Foster MB, et al. Disorders of puberty. Am Fam Physician. 1999;60(1):209-218.

    Delayed puberty. Healthy Children—American Academy of Pediatrics website. Available at: Updated November 21, 2015. Accessed March 9, 2015.

    Delayed puberty. Kids Health—Nemours Foundation website. Available at: Updated January 2015. Accessed March 9, 2016.

    Female delayed puberty. EBSCO DynaMed website. Available at: Updated December 30, 2015. Accessed March 9, 2016.

    Male delayed puberty. EBSCO DynaMed website. Available at: Updated February 1, 2016. Accessed March 9, 2016.

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