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Published on: 3/5/2025

Could Having Two Periods in One Month Indicate Pregnancy?

Having two periods in one month usually does not mean you are pregnant—it more likely shows that your cycle is irregular. Pregnancy often stops periods, so two periods in one month may point to other factors.

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Explanation

When you have two periods in one month, it is usually a sign of hormonal changes or irregular bleeding rather than a sign of pregnancy. In pregnancy, many people stop having their regular menstrual periods because of changes in hormone levels needed to support a growing baby. Some people might experience a light bleed when the embryo attaches to the uterus, but that is not the same as a full period. Research shows that irregular or intermenstrual bleeding can have many causes and does not indicate a pregnancy. Other reasons you might see bleeding twice in a month include stress, weight changes, or other hormonal fluctuations. Tracking when you bleed, how heavy it is, and if you have other symptoms can help a doctor understand what is happening. If you have concerns about your menstrual cycle or think you might be pregnant, it is a good idea to talk with a healthcare provider who can check your hormones, offer a pregnancy test if needed, and help guide you to the right treatment or next steps.

(References)

  • Crawford NM, Pritchard DA, Herring AH, Steiner AZ. Prospective evaluation of the impact of intermenstrual bleeding on natural fertility. Fertil Steril. 2016 May;105(5):1294-1300. doi: 10.1016/j.fertnstert.2016.01.015. Epub 2016 Jan 25. PMID: 26820771; PMCID: PMC4853238.

  • Soria-Contreras DC, Perng W, Rifas-Shiman SL, Hivert MF, Chavarro JE, Oken E. Menstrual cycle length and adverse pregnancy outcomes among women in Project Viva. Paediatr Perinat Epidemiol. 2022 May;36(3):347-355. doi: 10.1111/ppe.12866. Epub 2022 Feb 16. PMID: 35172020; PMCID: PMC9050743.

  • Nobles J, Cannon L, Wilcox AJ. Menstrual irregularity as a biological limit to early pregnancy awareness. Proc Natl Acad Sci U S A. 2022 Jan 4;119(1):e2113762118. doi: 10.1073/pnas.2113762118. PMID: 34969843; PMCID: PMC8740731.

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