What Happens If You Take Emergency Contraceptive Pills Twice in a Month? - Obstetrics and Gynecology

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Taking emergency contraceptive pills (ECPs) twice in one month can lead to some side effects, such as irregular menstrual bleeding, nausea, fatigue, and headaches. While using ECPs occasionally is generally safe, frequent use is not recommended as it is less effective than regular contraceptive methods and may disrupt your menstrual cycle. If you have concerns about your contraceptive options or experience


On April 9th, I had unprotected intercourse with ejaculation and took the emergency contraceptive pill.
A week later, I experienced bleeding.
My menstrual period had just ended on April 9th.
On May 4th, I had unprotected intercourse with ejaculation again, and due to my concerns, I took the emergency contraceptive pill once more.
I would like to know if taking it again within a month could lead to serious side effects.

Chen Yun, 20~29 year old female. Ask Date: 2020/05/05

Dr. Wu Xianghui reply Obstetrics and Gynecology


There will be several irregularities in the menstrual cycle afterward.

Reply Date: 2020/05/05

More Info


Taking emergency contraceptive pills (ECPs) more than once in a month is generally considered safe, but it is important to understand how these medications work and their potential effects on your body.

Emergency contraceptive pills, such as Plan B (levonorgestrel) or Ella (ulipristal acetate), are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. They work primarily by delaying ovulation, preventing fertilization, or preventing a fertilized egg from implanting in the uterus. The effectiveness of ECPs is highest when taken as soon as possible after unprotected intercourse, ideally within 72 to 120 hours, depending on the type of pill.

1. Safety of Repeated Use: Taking ECPs multiple times in a month does not typically lead to serious long-term health issues. However, frequent use can cause some temporary side effects. These may include nausea, fatigue, headache, dizziness, breast tenderness, and changes in your menstrual cycle. You might experience irregular bleeding or spotting after taking the pills, which is common and usually resolves on its own.

2. Menstrual Cycle Disruption: ECPs can alter your menstrual cycle. After taking ECPs, your next period may come earlier or later than expected, and the flow may be lighter or heavier than usual. If you find that your menstrual cycle is significantly disrupted or if you miss your next period, it is advisable to take a pregnancy test to rule out pregnancy.

3. No Serious Long-term Effects: While ECPs are safe for occasional use, they are not intended to be used as a regular form of contraception. Regular use of ECPs can lead to hormonal imbalances and may not be as effective as other contraceptive methods. If you find yourself needing ECPs frequently, it may be a good idea to discuss more reliable and long-term contraceptive options with your healthcare provider.

4. Consulting a Healthcare Provider: If you have concerns about the frequency of taking ECPs or if you experience unusual symptoms after taking them, it is important to consult with a healthcare provider. They can provide personalized advice and help you explore other contraceptive methods that may be more suitable for your lifestyle and needs.

5. Potential for Pregnancy: If you have taken ECPs and are still concerned about the possibility of pregnancy, especially if you have had unprotected intercourse again after taking the pills, it is wise to take a pregnancy test if your period is late or if you experience any unusual symptoms.

In summary, while taking emergency contraceptive pills twice in a month is generally safe, it is essential to be aware of the potential side effects and the impact on your menstrual cycle. If you find yourself needing to use ECPs frequently, consider discussing more effective and regular contraceptive options with your healthcare provider to ensure better reproductive health management.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, generally it will not affect future childbirth. It is better to take contraceptive measures "before" sexual activity, as post-coital contraception is less effective. Wishing you good health.

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Impact of Emergency Contraceptive Pills on Uterine Health: What You Need to Know

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Dr. Zhan Deqin reply Obstetrics and Gynecology
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Can You Take Emergency Contraceptive Pills Again This Month?

Hello, I would like to ask if I can take emergency contraceptive pills again this month, as I took them once each in the two months prior to my period. Will this have any effects on my body? Thank you.


Dr. Zhang Kunmin reply Obstetrics and Gynecology
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