Delayed puberty (patient information): Difference between revisions
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==How to know you have delayed puberty?== | ==How to know you have delayed puberty?== | ||
:*Hormone level tests: | :*Hormone level tests: Blood levels of [[gonadotropin]]s， such as [[follicle-stimulating hormone]] (FSH), [[luteinizing hormone]] (LH) and [[gonadal hormone]], such as [[estradiol]] (E2) and [[testesterone]], are the most valuable tests for diagnosis. | ||
:*Bone age x-ray test: | :*Bone age x-ray test: Comparing to normal children, bone age test in patients with delayed puberty demonstrates a delayed physical maturation. | ||
:*Cranial computed tomography (CT) or magnetic resonance imaging (MRI): | :*Cranial computed tomography (CT) or magnetic resonance imaging (MRI): When cranial tumor is suspected, CT or MRI can help the doctor analyse the cause of the delayed puberty. | ||
:*Chromosomal analysis: | :*Chromosomal analysis: For patients with gonadal dysgenesis or signs of unusual facies, chromosomal analysis is needed to detect some genetic diseases. | ||
==When to seek urgent medical care?== | ==When to seek urgent medical care?== | ||
Revision as of 15:57, 3 December 2009
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Jinhui Wu, MD
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What is delayed puberty?
How do I know if I have delayed puberty and what are the symptoms of delayed puberty?
Delayed puberty is more common among boys. Usual symptoms in boys and girls are:
- Boys:
- Lack of testicular enlargement by age 14
- Lack of pubic hair by age 15
- Delayed completion of genital enlargement at least 5 years
- Psychologic stress
- Girls:
- Absence of breast development by age 13
- A time lapse of more than 5 years from the beginning of breast growth to the first menstrual period, or failure to menstruate by age 16.
Who is at risk for delayed puberty?
- Diabetes mellitus
- Inflammatory bowel disease
- Kidney disease
- Cystic fibrosis
- Mumps
- Anemia
- Excessive exercise or dieting in girls
- A tumor that damages the pituitary gland or the hypothalamus
- Radiation therapy or chemotherapy for cancer in adolescents
- Turner's syndrome
- Klinefelter's syndrome
How to know you have delayed puberty?
- Hormone level tests: Blood levels of gonadotropins， such as follicle-stimulating hormone (FSH), luteinizing hormone (LH) and gonadal hormone, such as estradiol (E2) and testesterone, are the most valuable tests for diagnosis.
- Bone age x-ray test: Comparing to normal children, bone age test in patients with delayed puberty demonstrates a delayed physical maturation.
- Cranial computed tomography (CT) or magnetic resonance imaging (MRI): When cranial tumor is suspected, CT or MRI can help the doctor analyse the cause of the delayed puberty.
- Chromosomal analysis: For patients with gonadal dysgenesis or signs of unusual facies, chromosomal analysis is needed to detect some genetic diseases.
When to seek urgent medical care?
Treatment options
Diseases with similar symptoms
Where to find medical care for delayed puberty?
Directions to Hospitals Treating delayed puberty
Prevention of delayed puberty
What to expect (Outook/Prognosis)?
Copyleft Sources
http://www.merck.com/mmhe/print/sec23/ch271/ch271b.html
http://kidshealth.org/teen/sexual_health/changing_body/delayed_puberty.html