Can You Take Menstrual Induction Pills and Emergency Contraceptives Together? - Obstetrics and Gynecology

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Emergency contraceptive pill


Hello doctor, I would like to ask about my situation.
I haven't had my period for almost three months (and I haven't had sexual intercourse before).
I went to the gynecology department and was prescribed medication to induce my period.
The next day, I had sexual intercourse.
Can I take the period-inducing medication and emergency contraception together, or should they be taken separately?

Yatou, 30~39 year old female. Ask Date: 2021/09/18

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, menstrual induction medications do not have contraceptive effects.
It is recommended to take emergency contraceptive pills together.
Wishing you good health.

Reply Date: 2021/09/18

More Info


When it comes to the use of menstrual induction pills and emergency contraceptives, it is important to understand how these medications work and their potential interactions. Menstrual induction pills, often containing medications like progesterone or estrogen, are prescribed to help regulate or induce menstruation, especially in cases where a woman has not had her period for an extended time. Emergency contraceptives, on the other hand, are designed to prevent pregnancy after unprotected intercourse, typically containing levonorgestrel or ulipristal acetate.

In your situation, taking menstrual induction pills and emergency contraceptives together is generally considered safe. There are no known significant drug interactions between these two types of medications. However, it is essential to follow the guidance of your healthcare provider regarding the timing and dosage of each medication.

Here are some key points to consider:
1. Timing of Administration: If you have just started taking menstrual induction pills, it is advisable to take the emergency contraceptive as soon as possible after unprotected intercourse. The effectiveness of emergency contraceptives decreases the longer you wait after the sexual encounter, so prompt action is crucial.

2. Mechanism of Action: Menstrual induction pills work by altering hormone levels to trigger menstruation, while emergency contraceptives primarily work by preventing ovulation or fertilization. Since their mechanisms are different, taking them together should not interfere with each other's effectiveness.

3. Potential Side Effects: Both types of medications can have side effects, such as nausea, headache, or changes in mood. Taking them together may increase the likelihood of experiencing these side effects, but this varies from person to person. If you experience severe or concerning side effects, it is important to consult your healthcare provider.

4. Follow-Up: After taking these medications, it is crucial to monitor your body’s response. If your period does not arrive within a reasonable timeframe after completing the menstrual induction treatment, or if you have any unusual symptoms, you should follow up with your healthcare provider for further evaluation.

5. Pregnancy Testing: If you suspect you might be pregnant after taking emergency contraception, it is advisable to take a pregnancy test after the expected date of your period. This will help confirm whether the emergency contraceptive was effective.

6. Consult Your Healthcare Provider: Always keep an open line of communication with your healthcare provider regarding any medications you are taking. They can provide personalized advice based on your medical history and current health status.

In conclusion, taking menstrual induction pills and emergency contraceptives together is generally safe and should not pose significant risks. However, it is always best to consult with your healthcare provider for personalized advice and to ensure that you are taking the medications correctly.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, if you're feeling uncertain, you can take emergency contraception; however, it may not be necessary. Wishing you good health.

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