Emergency Contraceptive Pills: Can You Get Pregnant After Unprotected Sex?

Emergency contraceptive pill

Hello doctor, I would like to ask a question.
I started taking the contraceptive pill, Aiziding, on the fifth day of my menstrual period this month.
I have two pills left to take.
I had unprotected intercourse yesterday and today.
Is there a chance of getting pregnant? Thank you.

Miss Chen, 20~29 year old female. Ask Date: 2024/01/13

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, you should not be pregnant.
Wishing you good health.

Reply Date: 2024/01/13

More Info

Emergency contraceptive pills (ECPs), commonly known as "morning-after pills," are designed to prevent pregnancy after unprotected sex. They are most effective when taken as soon as possible after the incident, ideally within 72 hours, but some types can be effective up to 5 days later. However, their effectiveness diminishes the longer you wait to take them.

In your case, you mentioned that you started taking the ECPs on the fifth day of your menstrual cycle and that you have had unprotected sex recently. If you have been taking the pills as directed, they should provide a significant level of protection against pregnancy. However, it is important to note that no contraceptive method is 100% effective, and there is still a small chance of becoming pregnant even if you are using ECPs correctly.

The timing of your menstrual cycle is also a crucial factor. Generally, the days following your period are considered a less fertile time, especially if you have a regular cycle. However, sperm can survive in the female reproductive tract for up to five days, and if you ovulate soon after having unprotected sex, there is a possibility of pregnancy.

If you are concerned about the possibility of pregnancy, here are a few steps you can take:
1. Continue Taking the Pills: Finish the remaining doses of your ECPs as prescribed. This will maximize their effectiveness.

2. Monitor for Symptoms: After taking ECPs, some women may experience side effects such as nausea, fatigue, or changes in their menstrual cycle. If your period is delayed by more than a week, consider taking a pregnancy test.

3. Follow Up with a Healthcare Provider: If you have concerns about your risk of pregnancy or if you experience any unusual symptoms, it is advisable to consult with a healthcare provider. They can provide guidance tailored to your specific situation.

4. Consider Long-term Contraception: If you find yourself needing emergency contraception frequently, it may be worth discussing long-term contraceptive options with your healthcare provider. There are various methods available, including hormonal birth control pills, intrauterine devices (IUDs), and barrier methods, which can provide more reliable protection against unintended pregnancy.

In summary, while the use of emergency contraceptive pills significantly reduces the risk of pregnancy after unprotected sex, it is not foolproof. If you have concerns about your situation, it is always best to consult with a healthcare professional for personalized advice and support.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of pregnancy are low, and you shouldn't rely on the safe period. It's better to take preventive measures before engaging in sexual activity. If your period is more than a week late, it's advisable to see a gynecologist. Wishing you good health.

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Hello, the effectiveness of emergency contraceptive pills is not 100%. It is recommended to use regular contraception beforehand. The chances of pregnancy should be low. Wishing you good health.

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