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Published on: 7/14/2026

What could cause a period to stop for 3 months and then start again?

Missing your period for three months and then having it return can come from a natural, but irregular, hormone cycle or other temporary factors like stress or weight changes.

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Explanation

Sometimes your period might stop for a few months and then start again because your hormones are a bit out of balance. This is known as oligomenorrhea when periods are infrequent. Many things, like stress, changes in weight, or even increased exercise, can affect how your body makes the hormones that control your menstrual cycle.

In these cases, your body may take a break from having your period and then catch up later. It is also possible that the temporary pause was a form of what doctors call secondary amenorrhea, especially if it happens only once and then your cycle returns to normal. It is often a normal sign that your body is adjusting to changes.

However, if this happens frequently or if you are worried about it, you can check your symptoms to better understand what might be causing these changes and whether you should talk with a doctor about your hormones and overall menstrual health.

(References)

  • Riaz Y, Parekh U. Oligomenorrhea. [Updated 2023 Jul 31]. In: StatPearls [Internet].

  • Buck E, McNally L, Vadakekut ES, et al. Menstrual Suppression. [Updated 2024 Jun 7]. In: StatPearls [Internet].

  • Lord M, Jenkins SM, Sahni M. Secondary Amenorrhea. [Updated 2024 Oct 28]. In: StatPearls [Internet].

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