Female pattern baldness involves a typical pattern of
Alopecia in women; Baldness - female; Hair loss in women; Androgenetic alopecia in women
Causes, incidence, and risk factors
A hair grows from its follicle at an average rate of about 1/2 inch per month. Each hair grows for 2 to 6 years, then rests, and then falls out. A new hair soon begins growing in its place. At any time, about 85% of the hair is growing and 15% is resting.
- Changes in the levels of androgens (male hormones). For example, after reaching
menopause, many women find that the hair on their head is thinner, while the hair on their face is coarser.
- Family history of male or female pattern baldness
Hair loss can occur in women for reasons other than female pattern baldness, including the following:
- Breaking of hair (from treatments and twisting or pulling of hair, or hair shaft abnormalities that are present from birth)
- Certain skin diseases that lead to scarring of the hair follicles
- Hormonal abnormalities, such as too much testosterone, or too much or too little thyroid hormone
- Iron deficiency
- Medications such as chemotherapy and beta blockers
- Patchy hair loss (
- Temporary shedding of hair (telogen effluvium) after a major illness, surgery, or pregnancy
- Vitamin deficiency (such as biotin)