Question

what are the causes of amenorrea

Answer 1

An overactive thyroid gland (hyperthyroidism) or underactive thyroid gland (hypothyroidism) can cause menstrual irregularities, including amenorrhea. Pituitary tumor. A noncancerous (benign) tumor in your pituitary gland can interfere with the hormonal regulation of menstruation. Premature menopause.

Answer 2

Medical Many types of medical problems can cause hormonal imbalance, including:

Polycystic ovary syndrome (PCOS). PCOS causes relatively high and sustained levels of hormones, rather than the fluctuating levels seen in the normal menstrual cycle.Thyroid malfunction. ...Pituitary tumor. ...Premature menopause.
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