What Conditions Cause Heavy Periods?

Anyone who has dealt with heavy periods can back this up: They’re abysmal. 

What’s arguably worse, though, is not knowing why you bleed so heavily during your period. Of course, much of it has to do with genetics, but there are potential underlying causes — especially if you experience severe symptoms during your period, such as pelvic pain. 

Dr. Leroy Charles at Women’s Pavilion of the Palm Beaches has helped many patients manage and overcome heavy periods. He can help you, too. The first step is pinpointing the cause of your heavy periods: To get started, learn about some common causes of heavy periods. 


In people with endometriosis, tissue that’s supposed to grow inside the uterus actually grows outside of the uterus. This tissue isn’t where it belongs, and it can cause painful growths in your ovaries, fallopian tubes, and on the outer surface of your uterus. 

Women with endometriosis often experience heavy periods that include excruciating menstrual cramps, lower back pain, and painful bowel movements. Endometriosis can also cause bleeding or spotting in between menstrual cycles. 

Uterine fibroids 

Uterine fibroids are growths of noncancerous tissue that primarily build up inside the uterus and affect the muscle tissue. However, uterine fibroids can also grow on the outer surface of your uterus. 

They can be small and undetectable, or so large that they actually stretch and deform the uterus. Or, they can be somewhere in between. 

Regardless of size, uterine fibroids are often very painful and can cause heavy menstrual bleeding. People with uterine fibroids may also experience periods that last longer than a week, with symptoms like pelvic pain and painful urination. 

Uterine polyps 

Similar to uterine fibroids, uterine polyps are tissue growths that can cause pain and heavy periods. However, uterine polyps typically grow only in the lining of the uterus. 

Pregnancy complications 

Menstrual bleeding that is heavy, sudden, and unexpected can be a health emergency. Miscarriages and ectopic pregnancies can cause this type of bleeding, even if you didn’t know you were pregnant. Seek help from a health care provider immediately if you experience sudden heavy bleeding. 

Other hormone-related problems

The conditions above can be influenced by hormone imbalance, but a range of other hormone-related problems can cause heavy periods without tissue growths or painful symptoms. 

For example, perimenopause, the transition period leading up to menopause, can cause heavy menstrual bleeding. Recovering from childbirth can also result in heavy periods, which may or may not return to normal. Excess estrogen under any circumstance is a big contributor to heavy periods. 

If you struggle with heavy periods and you’re looking for a solution, get in touch with the Women’s Pavilion of the Palm Beaches office in Greenacres, Florida: Call 561-264-2055 or book your appointment online. You can also send a message to Dr. Charles and the team here on the website.

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