Body Hair Loss

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Body Hair Loss

This symptom could be caused by the failure of your pituitary gland. Below are the hormones that could be deficient.

Sex Hormone Deficiency

Your gonadotrophic hormones (LH/FSH) are what stimulate your sex organs to make testosterone and oestrogen.

If they fail, the symptoms are:

  • Erectile dysfunction
  • Infertility
  • Less hair growth on the face and body
  • Less muscle
  • Development of breast tissue (gynecomastia)
  • Bone weakness (osteoporosis)
  • Depression and anxiety

For men
In severe cases

  • Difficulty concentrating
  • Hot flushes

For women

  • Periods get less or stop
  • Breasts fail to grow
  • Hot flushes
  • loss of body hair
  • low or absent sex drive
  • milky discharge from breasts
Erectile Dysfunction and Infertility

James Smith: “my sperm was tested for number and motility, and found to be near zero. I was prescribed a regime of diet, exercise and sleep and the dropping of certain antidepressants, and at first this appeared to work, and then not to. It was a standard one-size-fits-all procedure, and nobody ever paused to wonder why a 35-year-old who had been fertile before should have problems now?”


Sex hormone deficiency may also be called hypogonadism, hypogonadotropic hypogonadism (if caused by the pituitary), or testosterone deficiency (in males).
‘Primary’ means ’caused by a problem in the sex organs themselves’
‘Secondary’ means ’caused by a problem in the pituitary gland.’
‘Tertiary’ means ’caused by a problem in the hypothalamus’.
‘Central ‘ means ’caused by a problem in the pituitary or the hypothalamus’.

For how to test if you have gonadotrophic insufficiency (hypogonadism) see ‘Diagnosis’ page.