Missing a Pill: How It Affects Your Birth Control Routine - Obstetrics and Gynecology

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How can I take a whole pack if I'm missing one?


Hello Doctor, I have been taking 21 oral contraceptive pills for over 5 months, but I noticed that I am missing one pill, which means I won't have a pill for the 21st day.
Will this affect the contraceptive effectiveness? How should I take the next pack? Should I stop taking the pills after day 20 for 7 days, or should I stop after day 21 for 7 days? Thank you.

Nana, 30~39 year old female. Ask Date: 2016/05/07

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, based on your description, it is recommended to take the next pack on the eighth day after finishing the current one.
Thank you! Wishing you peace and health.
Dr.
Chang

Reply Date: 2016/05/07

More Info


Missing a birth control pill can indeed affect your contraceptive routine, and it's important to understand how to manage the situation to maintain effective contraception. When you miss a pill, especially one from the active pills in a 21-day regimen, it can potentially reduce the effectiveness of the birth control method.

In your case, since you have been taking the pills consistently for over five months and you missed the 21st pill, here are some important points to consider:
1. Effect on Contraceptive Efficacy: Missing the last active pill (the 21st pill) in your pack can lead to a decrease in contraceptive effectiveness. This is because the hormones in the pill need to be taken consistently to prevent ovulation. If you miss a pill, especially towards the end of the pack, it may not provide adequate hormone levels to suppress ovulation effectively.

2. What to Do Next: The general recommendation for missed pills is to take the missed pill as soon as you remember, even if it means taking two pills in one day. Since you missed the last pill, you should continue taking the remaining pills in the pack as scheduled. After finishing the pack, you would typically have a 7-day break before starting the next pack.
3. Starting the Next Pack: You should start the next pack after the 7-day break, regardless of whether you missed the last pill. This means you will have a withdrawal bleed during the break, and then you will begin the new pack as usual.
4. Additional Contraceptive Measures: Since you missed a pill, it is advisable to use a backup contraceptive method, such as condoms, for at least the first 7 days of the new pack. This is especially important if you had unprotected intercourse during the time you missed the pill.

5. Consult Your Healthcare Provider: If you have any concerns or if you missed more than one pill, it’s best to consult your healthcare provider for personalized advice. They can provide guidance based on your specific situation and help you understand how to manage your birth control effectively.

6. Future Prevention: To avoid missing pills in the future, consider setting reminders on your phone or using a pill organizer. Some women find it helpful to take their pill at the same time every day, which can help establish a routine.

In summary, missing the last active pill can affect your birth control effectiveness, but by taking the missed pill as soon as you remember and following the regular schedule for the next pack, you can maintain your contraceptive routine. Always consider using backup contraception for added safety, and don’t hesitate to reach out to your healthcare provider for any questions or concerns.

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