A risk factor is something that increases your likelihood of getting a disease or condition.
It is possible to develop a menstrual disorder with or without the risk factors listed below. However, the more risk factors you have, the greater your likelihood of developing a menstrual disorder. If you have a number of risk factors, ask your doctor what you can do to reduce your risk.
Most women experience heavy bleeding at some point during their reproductive years. Risk factors associated with menorrhagia include:
Excess body fat is a risk factor for menorrhagia. Hormones in fat tissues can convert into estrogen. When this happens, the endometrial lining thickens, causing heavier menstrual bleeding.
You may be at increased risk for menorrhagia if you have one of the following gynecologic conditions:
You may be at increased risk for menorrhagia if you have one of the following general conditions:
Just after menarche (the start of menstrual periods), teenagers may experience temporary menorrhagia. They may have:
The reason for these changes is due to the woman's reproductive system maturing.
If you are approaching menopause , you may have heavier periods. Women who have menstrual periods at an older age than average may also be at risk for heavy menstrual bleeding.
If you use a copper intrauterine device (IUD), you are slightly more likely to have heavy menstrual periods. On the other hand, progestin-containing IUDs (such as Mirena) are more likely to decrease menstrual bleeding.
In most cases, oral contraceptives decrease menstrual bleeding. If you have heavy bleeding while taking the pill, contact your doctor.
Certain drugs (such as blood thinning drugs, anti-inflammatory medications, chemotherapy drugs) can increase your risk of heavy bleeding.
Some women have imbalances in estrogen and progesterone that can cause them to skip menstrual periods. In this case, there may be overgrowth of the lining of the uterus (endometrium), which can lead to very heavy bleeding when menstruation returns.
Risk factors for amenorrhea include:
If you exercise very strenuously, you may be at risk for primary or secondary amenorrhea. Female athletes who participate in ballet, gymnastics, rowing, long-distance running, and cycling are especially at risk.
Having an eating disorder, such as anorexia nervosa or bulimia nervosa , puts you at risk for amenorrhea. This may be due to inadequate nutrition, low body fat, rapid weight loss, and hormonal and psychological factors.
You may skip menstrual periods if you are going through major life changes, or having problems with work, school, or relationships. A change in environment, such as moving, can cause you to miss periods. It appears that emotional stress prevents the brain from sending certain signals to the ovaries. Once the stressful situation has been alleviated, menses usually returns to its previous cycle.
In most cases, amenorrhea does not indicate that you have a serious medical problem. In some cases, however, amenorrhea results from medical problems, such as:
If you have recently stopped taking birth control pills or stopped using another type of birth control (such as an IUD), it is possible that you may not have a menstrual period for up to several months.
Abnormal uterine bleeding. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 15, 2012. Accessed August 20, 2012.
Amenorrhea. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated July 15, 2012. Accessed August 20, 2012.
Menstruation and the menstrual cycle fact sheet. Office on Women's Health website. Available at: http://www.womenshealth.gov/publications/our-publications/fact-sheet/menstruation.html. Updated October 21, 2009. Accessed August 20, 2012.
Last reviewed September 2015 by Andrea Chisholm, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
Copyright © 2012 EBSCO Publishing All rights reserved.
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