Irregular Periods Causes, Treatments & More
Article Sources
- 1. 'What Causes Menstrual Irregularities?' Eunice Kennedy Shriver National Institute of Child Health and Human Development, U.S. Department of Health and Human Services, www.nichd.nih.gov/health/topics/menstruation/conditioninfo/causes
- 2. 'Uterine Cancer: Symptoms & Treatment.' Cleveland Clinic, my.clevelandclinic.org/health/diseases/16409-uterine-cancer
- 3. 'Menopause.' Mayo Clinic, Mayo Foundation for Medical Education and Research, 14 Oct. 2020, www.mayoclinic.org/diseases-conditions/menopause/symptoms-causes/syc-20353397
2. Birth Control
Some birth control methods can cause irregular periods. Birth control pills, shots and other hormonal types are most likely to blame when menstruation becomes irregular.
Most hormonal birth control methods contain either a combination of estrogen and progestin or progestin alone. They prevent pregnancy by stopping the ovaries from releasing an egg, and thus, usually stop a woman's period altogether. When going on or off hormonal birth control, periods may be irregular for up to six months.
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