Anovulation causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Causes

Anovulation can result from a variety of factors:

• Taking birth control pills
• Stress, new environment
• Chronic mental illness, such as depression
• Chronic physical illness, such as inflammatory bowel disease, poorly controlled diabetes, tuberculosis, or anemia
• Undernutrition, specific nutrient deficiencies, inadequate body fat
• Prolonged or continuous physical exertion
• Various pharmaceutical (especially phenothiazines) and recreational drugs
• Hormone imbalances, such as prolactin or testosterone excess (e.g., polycystic ovary syndrome), hyper- or hypothyroidism, adrenal insufficiency or Cushing's syndrome.
• Pituitary failure or ovarian failure.

Some anovulatory women may have two or more contributing conditions. Anovulation can generally be reversed by ameliorating the causal factors (except in cases of permanent pituitary or ovarian failure).

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