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Published on: 4/7/2025

What Are the Potential Causes of a Missed Period Besides Pregnancy?

A missed period can happen for many reasons besides pregnancy, such as stress, hormonal imbalances, or changes in body weight.

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Explanation

There are multiple reasons why you might miss a period that are unrelated to pregnancy. One common cause is stress; when you're very stressed, your body may change how your hormones work, which can affect your cycle. Another reason is hormonal imbalances like thyroid problems or polycystic ovary syndrome (PCOS) that disrupt regular periods. Changes in body weight, whether from significant weight loss or gain, can sometimes cause your body to slow down or stop your menstrual cycle. Intense exercise or changes in your routine may also play a role. In some cases, medical conditions or certain medications can affect your hormones and lead to a missed period. These disruptions are usually temporary, but if your period remains absent, it might be a sign to talk with your doctor for a proper check-up. Understanding what is usual for your body and noticing any changes can help you catch these issues early. Always reach out to your healthcare provider if you have concerns about a missed period so they can review your overall health and guide you on the best path forward.

(References)

  • deProsse CA, Keettel WC. The missed menstrual period. Postgrad Med. 1977 Jan;61(1):251-2, 254, 256. doi: 10.1080/00325481.1977.11714526. PMID: 189296.

  • Gasner A, Rehman A. Primary Amenorrhea. [Updated 2023 Dec 20]. In: StatPearls [Internet].

  • Nawaz G, Rogol AD, Jenkins SM. Amenorrhea. [Updated 2024 Feb 25]. In: StatPearls [Internet].

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