Managing Missed Birth Control Pills: What You Need to Know - Obstetrics and Gynecology

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Hello, doctor.
I have a question.
I am currently taking oral contraceptives regularly, but I discovered that I missed a pill this month and I am not sure which day it was.
How should I handle this pack of pills? Should I continue taking them or should I take an extra pill right away? Also, what is the likelihood of pregnancy if I engage in sexual intercourse now?

Ms. Chen, 10~19 year old female. Ask Date: 2023/04/09

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, based on your description, if you miss taking an effective pill for more than 12 hours, in addition to taking the missed pill, it is best to use an additional barrier method of contraception for seven days.
If the missed pill is more than 24 hours late, stop taking the current birth control pills for seven days (including the days you missed), and then continue with the next cycle.
If you miss a pill and do not experience expected withdrawal bleeding during the subsequent pill-taking period, you should suspect the possibility of pregnancy.
Thank you! Wishing you peace and health.
Dr.
Zhang

Reply Date: 2023/04/09

More Info


When it comes to managing missed birth control pills, it’s important to understand the specific guidelines associated with the type of contraceptive pill you are using, as well as the timing of your missed dose. Generally, there are two types of birth control pills: combination pills (which contain both estrogen and progestin) and progestin-only pills (often referred to as the "mini-pill"). The approach to handling a missed pill can differ based on which type you are taking.

For combination pills, if you miss one pill, you should take it as soon as you remember. If you remember on the same day, you can take it immediately. If you remember the next day, take the missed pill and continue with your regular schedule. In this case, you do not need to use backup contraception. However, if you miss two or more pills, the guidance changes slightly. You should take the most recent missed pill as soon as you remember, discard any earlier missed pills, and continue taking the remaining pills as scheduled. In this scenario, it is advisable to use backup contraception, such as condoms, for the next seven days to ensure protection against pregnancy.

For progestin-only pills, the rules are a bit stricter. If you miss a pill by more than three hours, you should take the missed pill as soon as you remember and use backup contraception for the next 48 hours. If you miss a pill entirely, it is recommended to take it as soon as you remember and continue with your regular schedule, but again, use backup contraception for the next 48 hours.

In your case, since you are unsure which day you missed the pill, the best course of action is to take the missed pill as soon as you realize it and continue taking the remaining pills as scheduled. However, since you are unsure of the timing, it is prudent to use backup contraception for at least the next seven days (if you are on combination pills) or 48 hours (if you are on progestin-only pills) to minimize the risk of unintended pregnancy.

Regarding the likelihood of pregnancy, if you have missed a pill and had unprotected intercourse during the time you missed the pill, there is a chance of pregnancy, especially if you missed more than one pill or if the missed pill was close to the time of ovulation. If you are concerned about the possibility of pregnancy, you may consider taking a home pregnancy test if your period is late or if you experience any unusual symptoms.

In summary, the key steps to take after missing a birth control pill are:
1. Take the missed pill as soon as you remember.

2. Continue taking the remaining pills as scheduled.

3. Use backup contraception for the recommended time period based on the type of pill you are taking.

4. Monitor for any signs of pregnancy if you had unprotected intercourse during the missed pill period.

If you have further questions or concerns, it is always best to consult with your healthcare provider for personalized advice based on your specific situation. They can provide guidance tailored to your health history and contraceptive method.

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Dr. Cao Guotao reply Obstetrics and Gynecology
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