Is it normal for a 37-year-old to have a short menstrual cycle?

Hello,

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It is not uncommon to experience variations in your menstrual cycle length, especially as you age. However, a significant change in your period duration, such as now only lasting 2 days compared to your typical length, warrants a closer look. Here are some possible reasons for your shorter periods:

1. Normal variation: As you mentioned, your age could be a factor. Hormonal changes associated with perimenopause, the transition to menopause, can lead to irregular periods, including shorter or lighter bleeding.
2. Stress: Physical or emotional stress can affect your hormone levels and disrupt your menstrual cycle.
3. Diet and exercise: Significant changes in diet or exercise can also impact your hormonal balance and period length.
4. Underlying health conditions: Certain medical conditions, such as thyroid disorders, polycystic ovary syndrome (PCOS), or uterine fibroids, can cause abnormal periods.
5. Birth control: Some types of birth control, such as hormonal IUDs or progesterone-only pills, can cause lighter or shorter periods.

It is important to remember that everyone's menstrual cycle is unique. What is normal for one person may not be normal for another.

I hope this helps. Thank you.