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Hypergonadotropic Hypogonadism
Aka: Hypergonadotropic Hypogonadism, Hypergonadotropic Causes of Delayed Puberty, Hypergonadotropic Causes of Primary Amenorrhea, Sexual Infantilism due to Gonadotropin Excess, Primary Hypogonadism
- See Also
- Delayed Puberty
- Hypogonadism
- Primary Amenorrhea
- Definition: Hypergonadotropic Hypogonadism
- Defective development of ovaries or Testes
- Associated with excess pituitary gonadotropin secretion
- Results in delayed Sexual Development and growth delay
- Etiology
- Gonads deficient in sex hormone production
- Testes produce less testosterone
- Ovaries produce less estogen
- Hypothalamus and pituitary responds
- Increased gonadotropin release (FSH, LH)
- Causes
- Variants of Ovarian and Testicular Dysgenesis
- Male: Klinefelter Syndrome (XXY)
- Female: Turner's Syndrome (XO)
- Gonadal Toxins (Chemotherapy/Radiation)
- Cytotoxic drugs (e.g. Chemotherapy)
- Glucocorticoids
- Enzyme defects
- Female: 17 alpha hydroxylase deficiency
- Male: 17 ketosteroid reductase deficiency
- Androgen Insensitivity (Testicular feminization)
- Miscellaneous
- Mumps
- Pelvic radiation
- Gonadal failure (in adults)
- Hypogonadism in Men
- Androgen Decline in the Aging Male
- Testicular Failure
- Hypogonadism in Women
- Menopause
- Premature Ovarian Failure