For most individuals who menstruate, periods are far from enjoyable. Between cramps, headaches, bloating, and the sheer inconvenience of bleeding for three to seven days each month, they can significantly interfere with your routine. Some people also endure a condition known as heavy menstrual bleeding (HMB), or menorrhagia, where menstrual flow is excessively heavy, prolonged, or both. Approximately one-third of menstruating individuals seek medical care for HMB at some stage in their lives.
According to the Mayo Clinic, HMB is defined by its impact on your quality of life: the blood loss and cramping are so severe that you cannot carry out normal activities the way you would with a typical period. So, what level of bleeding signals HMB? If you need to change a pad or tampon every hour or more often, or empty a menstrual cup far more frequently than usual, that’s a red flag. Other indicators include using two pads at once or waking up during the night to change your pad or tampon.
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Additional HMB symptoms involve passing blood clots larger than a quarter and bleeding that lasts beyond a week. Also watch for signs of iron deficiency anemia, such as fatigue, becoming easily winded, or experiencing bleeding between periods or after menopause.
If you suspect you have HMB, it’s crucial to see a doctor promptly. Sometimes a physician cannot identify a specific cause, but HMB often stems from a more serious health issue, like a hormonal imbalance tied to polycystic ovary syndrome or thyroid problems. Other potential causes include polyps, fibroids, endometrial cancer, IUD use, and certain medications.
A doctor may perform several tests to pinpoint the cause of HMB, such as a simple blood test, an endometrial biopsy, a Pap test, an ultrasound, or an X-ray. Based on the results, treatment can address both HMB and its underlying cause. The approach depends on your medical history, the severity of the HMB, its cause, and whether you plan to have children.
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HMB can affect anyone who menstruates, though the underlying cause often varies with age. In children and teenagers, anovulation—where an egg fails to form and ovulation doesn’t occur—is frequently to blame. As you grow older, the risk of endometrial cancer rises, and so does the likelihood that HMB is linked to cancer, according to the Mayo Clinic.
It’s always wise to tune in to your body, especially noticing changes that seem to appear without explanation. This includes paying attention to how heavily you bleed during your period. Being proactive about your health and seeking medical advice is neither pointless nor foolish. Even if the cause of HMB isn’t serious or life-threatening, knowing the facts brings valuable reassurance.
By Kelley O’Brien
