Q:   I am 40 years old and have abnormal bleeding. What are my chances that it's uterine cancer?
A:   Abnormal uterine bleeding has many causes that can be benign and caused by hormonal imbalances. In fact, as many as 75 percent of women with excessive menstrual bleeding have this condition, known as dysfunctional bleeding. In addition to menopause, other hormonal causes may include thyroid and adrenal gland imbalance. Another cause of excessive bleeding falls under the heading of structural causes, including fibroids, polyps, scar tissue, infection and precancerous conditions. But the only way to assess this is to do an endometrial biopsy.

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