Can You Have Unprotected Sex After Taking Emergency Contraceptive Pills?

After taking the emergency contraceptive pill, is it still possible to ejaculate inside?

I had unprotected intercourse with my girlfriend last night, and she took the emergency contraceptive pill about an hour and a half ago.
We accidentally had unprotected intercourse again this afternoon.
Should she take another pill? What is the likelihood of pregnancy? Thank you, doctor; I really need your response!

Zhang Kaijun, 20~29 year old female. Ask Date: 2021/06/27

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the effectiveness of emergency contraception varies depending on the timing of administration after unprotected intercourse: taking it within 24 hours provides a 95% effectiveness, taking it between 24 to 48 hours offers an 85% effectiveness, and taking it between 48 to 72 hours results in a 58% effectiveness.
These percentages refer to the protective effect of the emergency contraceptive pill in delaying ovulation.
If you engage in unprotected intercourse after taking the emergency contraceptive pill, it is advisable to take another dose.
Thank you! Wishing you safety and health.
Dr.
Chang

Reply Date: 2021/06/27

More Info

When it comes to emergency contraception, it's essential to understand how it works and its effectiveness in preventing pregnancy after unprotected sex. Emergency contraceptive pills (ECPs), such as Plan B or Ella, are designed to be taken after unprotected intercourse to reduce the risk of pregnancy. They are most effective when taken as soon as possible after the incident, ideally within 72 hours for Plan B and up to 120 hours for Ella.

In your situation, since you had unprotected intercourse and subsequently took an emergency contraceptive pill, it is crucial to consider a few factors:
1. Timing and Dosage: If you took the emergency contraceptive pill within the recommended time frame after the first instance of unprotected sex, it should provide a significant level of protection against pregnancy. However, if you had another episode of unprotected sex shortly after taking the pill, the effectiveness may be compromised. The ECPs do not provide ongoing protection; they work for the specific incident for which they were taken. Therefore, if you had another unprotected intercourse after taking the ECP, it is advisable to take another dose of the emergency contraceptive pill.

2. Pregnancy Risk: The risk of pregnancy after unprotected sex depends on several factors, including where you are in your menstrual cycle. If you are close to ovulation, the risk of pregnancy is higher. Since you mentioned that you had an internal ejaculation, this further increases the risk. Taking a second dose of the emergency contraceptive pill can help mitigate this risk, but it is essential to follow the guidelines for the specific pill you are using.

3. Consulting a Healthcare Provider: Given your concerns about potential pregnancy, it is advisable to consult with a healthcare provider. They can provide personalized advice based on your situation and may recommend additional methods of contraception or testing if necessary. They can also discuss the side effects of taking multiple doses of emergency contraception, as it can lead to more pronounced side effects like nausea or changes in your menstrual cycle.

4. Follow-Up: After taking emergency contraception, it is important to monitor your menstrual cycle. If your period is delayed by more than a week, you should take a pregnancy test to confirm whether or not you are pregnant. If you experience any unusual symptoms or have further concerns, do not hesitate to seek medical advice.

In summary, if you had unprotected sex after taking the emergency contraceptive pill, it is advisable to take another dose as soon as possible. The risk of pregnancy can be significant, especially with internal ejaculation, and taking additional precautions is wise. Always consult with a healthcare provider for the best course of action tailored to your specific circumstances.

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