What causes dysfunctional uterine bleeding?

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Dr. Shelley C. Giebel, MD
OBGYN (Obstetrician & Gynecologist)

Thyroid conditions, weight fluctuations and hormones secreted by the pituitary gland can all affect the menstrual cycle. If dysfunctional uterine bleeding (DUB) occurs, medical care should be sought. Individuals over the age of 40 often require endometrial tissue biopsy to exclude pathologic conditions.

Dysfunctional uterine bleeding (DUB) is caused by abnormal levels of the hormone estrogen. In women with normal periods, the high level of estrogen decreases after releasing an egg. With dysfunctional uterine bleeding, the egg is not always released and the woman's uterine lining sheds irregularly. Other causes of hormone imbalance, including thyroid problems and some medication, can also cause DUB.

Dr. Kevin S. Jensen, MD
OBGYN (Obstetrician & Gynecologist)

Watch this video and learn about the many causes of dysfunctional uterine bleeding, like polyps, cancer, low thyroid and more, from Kevin Jensen, MD, from St. Mark's Obstetrics and Gynecology Associates.

Dr. Kord T. Strebel, MD
OBGYN (Obstetrician & Gynecologist)

Hormone imbalance is a common cause of dysfunctional uterine bleeding, says Kord Strebel, MD, an OBGYN at Sunrise Hospital. In this video, he describes other potential causes of the bleeding.

Continue Learning about Dysfunctional Uterine Bleeding (DUB)

Dysfunctional Uterine Bleeding (DUB)

Dysfunctional Uterine Bleeding (DUB)

Dysfunctional Uterine Bleeding (DUB) is irregular vaginal bleeding caused by changes in hormone levels. When this happens, your periods may come less than 21 days apart, or more than 35 days apart. Vaginal bleeding may be heavy, o...

r last for longer than a week. Often times, DUB occurs when you fail to ovulate during your menstrual cycle, which causes abnormal levels of certain hormones. Sometimes this pattern of an ovulation continues for several cycles or more, which may warrant a visit to your health care provider. The most common treatment for DUB is the use of various hormone medications. Sometimes the doctor will just advise you to wait a few months before beginning treatment.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.