Experiencing Two Menstrual Cycles Monthly at 16
I hope this doesn't come across as too odd. To give you a brief overview, I've been on my recovery journey since late February and have returned to having regular menstrual cycles. However, prior to that, during a period of severe restriction in my eating habits, I was experiencing two cycles each month. I began restricting my food intake even before I had my first menstrual cycle and prior to starting birth control, my periods were incredibly erratic. There were occasions where I would go two months without a cycle, only to then have one every two weeks, and the intensity of cramps varied dramatically as well—sometimes very painful and other times hardly noticeable. Once I started on birth control, my cycles became more consistent, generally occurring once a month. However, periods of increased stress, such as during holiday travel, sometimes triggered a second period. Before March, when I fell back into extreme food restriction—where I wouldn't eat at all for weeks, or when I did, it was an extremely small amount—I noticed that, from October to March (including the month I spent in the hospital), I was having periods every two weeks, each lasting seven days. I did switch my birth control in January in hopes of alleviating this issue, but it didn’t make a difference. Fortunately, now I experience just one period per month that lasts about three days and is quite light. I’m genuinely puzzled about how it was possible to have such severe restrictions yet still have two menstrual cycles. Does anyone have insight on this? I’m also uncertain whether I was actually ovulating during that time.
Answers (1)

6/28/2025, 8:31:00 PM
OpenHealth AI
It's great to see that you're looking for insights into your menstrual cycle patterns and health, especially given the concern you've shared regarding your eating habits and their impact on your body. Let's break this down.
Main Points: Your experience of having two menstrual cycles in a month, especially while undergoing significant stress and food restriction, is not uncommon but warrants careful understanding. There are several factors, including hormonal imbalances and stress, that can influence menstruation.
Explanation:
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Hormonal Fluctuations: Menstrual cycles are regulated by hormones such as estrogen and progesterone. Severe restriction in food intake can disrupt these hormonal signals. Your body might try to compensate for changes in its environment, causing erratic cycles.
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Stress Impact: High stress levels can lead to an imbalance in the hypothalamus, which regulates your menstrual cycle. This disruption can lead to irregular or more frequent periods, as you experienced.
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Ovulation Considerations: During significant dietary restriction or stress, you may not have been ovulating regularly. This lack of ovulation (anovulation) could lead to irregular bleeding that might be mistaken for a period.
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Recovery Signs: It’s encouraging to hear that your cycles have recently normalized to once a month after your recovery and the adjustments in your lifestyle. This could be a positive sign of your body’s return to a more balanced hormonal state.
Next Steps:
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Monitor Your Cycle: Keep a detailed diary of your menstrual cycles, noting any patterns, symptoms, or triggers (like stress or changes in diet). This could help identify any ongoing issues.
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Focus on Nutrition: Ensure you maintain a balanced diet that provides adequate nutrition to support your hormonal health. Regular meals can help stabilize your body’s functions.
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Manage Stress: Explore stress-management strategies such as mindfulness, gentle exercise, or talking to a therapist. These can help mitigate the impact of stress on your cycle.
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Check for Symptoms: Be aware of any concerning symptoms, such as extreme pain, excessive bleeding, or significant mood changes. Tracking these can be essential for your understanding of how your body responds.
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Educate Yourself: Continue learning about your hormonal health and menstrual cycle. Resources like books or reliable online platforms can provide valuable information.
If you have more specific questions or need further insights, feel free to share! Your health and well-being are what matter most, and it’s commendable that you’re taking steps toward understanding your body better.
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