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Published on: 3/5/2025

Is It Normal to Have 3 Periods in 30 Days?

Having three periods in 30 days is unusual and may suggest that your menstrual cycle is irregular or that you are experiencing abnormal uterine bleeding.

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Explanation

Typically, most menstrual cycles occur every 21 to 35 days, so having three separate periods in one 30-day span is not common for most women. This pattern may suggest that your body is shedding the uterine lining more often than expected. Hormonal imbalances can lead to changes in the way your uterus builds up and sheds its lining. Causes for this kind of irregularity can include conditions like dysfunctional uterine bleeding, thyroid issues, or other hormonal disturbances. Sometimes factors such as stress, significant weight changes, or intense exercise can also affect your cycle, leading to more frequent bleeding episodes. It’s important to track exactly what happens, including how long each period lasts and if you notice unusually heavy bleeding or pain along with these changes. While occasional spotting between periods can happen for different reasons, having a full period three times in a month is less typical. If this happens often or you feel worried about the changes in your cycle, it is a good idea to talk with a healthcare provider. They can check your hormone levels and overall health to figure out why this pattern is occurring and suggest what steps to take next.

(References)

  • Brenner PF. Differential diagnosis of abnormal uterine bleeding. Am J Obstet Gynecol. 1996 Sep;175(3 Pt 2):766-9. doi: 10.1016/s0002-9378(96)80082-2. PMID: 8828559.

  • Deligeoroglou E. Dysfunctional uterine bleeding. Ann N Y Acad Sci. 1997 Jun 17;816:158-64. doi: 10.1111/j.1749-6632.1997.tb52139.x. PMID: 9238265.

  • Van Anders SM, Watson NV. Menstrual cycle irregularities are associated with testosterone levels in healthy premenopausal women. Am J Hum Biol. 2006 Nov-Dec;18(6):841-4. doi: 10.1002/ajhb.20555. PMID: 17039468.

  • Song S, Choi H, Pang Y, Kim O, Park HY. Factors associated with regularity and length of menstrual cycle: Korea Nurses' Health Study. BMC Womens Health. 2022 Sep 1;22(1):361. doi: 10.1186/s12905-022-01947-z. PMID: 36050702; PMCID: PMC9438137.

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