Missed Birth Control Pill: What to Do After Unprotected Sex?

Missed taking contraceptive pills?

Hello, doctor.
I would like to ask you about my situation.
My menstrual cycle started last Thursday, the 16th.
Today is Monday, the 20th, and I just realized that I forgot to take my medication on Friday, the 17th.
However, I took my medication normally on the 18th and 19th.
During this time, I had sexual intercourse.
This is already the third month I have been taking the emergency contraceptive pill.

Xiao Xiao, 20~29 year old female. Ask Date: 2019/05/20

Dr. Huang Jianzhong reply Obstetrics and Gynecology

I started taking the medication on Thursday the 16th.
Today is Monday the 20th, and I just realized that I forgot to take the medication on Friday the 17th, but I took it normally on the 18th and 19th.
During this time, I had sexual intercourse.
This is already my third month taking the emergency contraceptive pill.
Answer: You can continue taking the medication as usual.

Reply Date: 2019/05/20

More Info

When it comes to missed birth control pills and the potential for unprotected sex, it's important to understand the implications and the steps you should take to ensure your reproductive health is managed effectively.
Firstly, if you missed a birth control pill, the general recommendation is to take the missed pill as soon as you remember. If you realize the missed pill after the time you usually take your next pill, take the missed pill and continue with your regular schedule. However, if you missed a pill and had unprotected sex during that time, there is a possibility of pregnancy, especially if the missed pill was during the first week of your cycle.
In your case, since you missed the pill on Friday (17th) and had unprotected sex that day, the risk of pregnancy is present. However, since you resumed taking your pills on the 18th and 19th, you have mitigated some risk, but it is still advisable to take precautions.
Here are the steps you should consider:
1. Emergency Contraception: If you had unprotected sex after missing your pill, you may want to consider taking emergency contraception (like Plan B) if it's within 72 hours of the unprotected intercourse. This can significantly reduce the risk of pregnancy.

2. Pregnancy Test: If your period is late or you experience any unusual symptoms, you should take a pregnancy test. It's best to wait until at least a week after your missed period for the most accurate results.

3. Continue Taking Your Pills: Keep taking your birth control pills as prescribed. Consistency is key in maintaining their effectiveness.

4. Consult Your Healthcare Provider: If you have any concerns about your missed pill or the risk of pregnancy, it's always a good idea to consult with your healthcare provider. They can provide personalized advice based on your health history and current situation.

5. Consider Backup Contraception: Until you are sure that your birth control is effective again, consider using a backup method, such as condoms, to prevent unintended pregnancy.

6. Educate Yourself on Your Birth Control: Understanding how your specific birth control works, including what to do if you miss a pill, can help you manage your reproductive health more effectively in the future.

In summary, while missing a birth control pill can increase the risk of unintended pregnancy, taking the right steps immediately afterward can help mitigate that risk. Always prioritize communication with your healthcare provider to ensure you are making informed decisions about your reproductive health.

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Dr. Huang Jianzhong reply Obstetrics and Gynecology
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