Heavy Menstrual Bleeding

(Menorrhagia; Hypermenorrhea)


Heavy menstrual bleeding (also called menorrhagia) is excessive menstrual blood loss that interferes with a woman's quality of life.
Menstrual Flow
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In some cases, the cause is not known. However, many conditions have been associated with menorrhagia, such as:

Risk Factors

Factors that may increase your chances of menorrhagia include:


Symptoms of menorrhagia include:
  • Menstrual bleeding lasting more than 7 days
  • Unusually heavy bleeding (soaking through a sanitary napkin or tampon every hour)
  • Menstrual flow requiring change of sanitary protection during the night
  • Menstrual flow including large clots
  • Menstrual flow interfering with lifestyle
  • Fatigue and/or shortness of breath (symptoms of anemia)

When Should I Call My Doctor?

Call your doctor if you have symptoms of menorrhagia.


You will be asked about your symptoms and medical history. A physical examination, including a pelvic exam, will be done. Tests may include:

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