Taking Birth Control Pills Backwards: What You Need to Know - Obstetrics and Gynecology

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Taking emergency contraceptive pills in the wrong order?


Hello, doctor.
I would like to ask about my situation with the birth control pills.
I started taking them from the end of the pack instead of the beginning, and I have been taking them for a week now.
Should I continue to take the rest of the pills this month, and will they still be effective? How should I handle this situation? I have searched online for a long time but couldn't find relevant answers.
Thank you for taking the time to respond.

bu jiang dao li, 20~29 year old female. Ask Date: 2023/05/15

Dr. Huang Yuande reply Obstetrics and Gynecology


It is recommended to start taking the medication during your menstrual period for it to be effective as a contraceptive for that cycle.
If a pregnancy test shows negative results, it is advised to continue taking the medication.

Reply Date: 2023/05/15

More Info


Taking birth control pills correctly is crucial for their effectiveness in preventing pregnancy. When you mention taking the pills "backwards," it suggests that you have started from the last pill in the pack and are working your way to the first. This approach can potentially disrupt the hormonal balance that the pills are designed to maintain, leading to reduced effectiveness and an increased risk of unintended pregnancy.


Understanding Birth Control Pills
Birth control pills, commonly referred to as "the pill," are a form of hormonal contraception that typically contains synthetic versions of the hormones estrogen and progestin. These hormones work together to prevent ovulation, thicken cervical mucus, and thin the uterine lining, making it less likely for a fertilized egg to implant. The pills are usually taken in a specific order, often starting with the first pill in the pack and continuing sequentially to the last.


What Happens When You Take Pills Backwards?
1. Hormonal Disruption: Taking the pills in reverse can lead to inconsistent hormone levels in your body. The pills are designed to be taken in a specific sequence to ensure that the body receives the correct dosage of hormones at the right time. By starting from the end, you may not be providing your body with the necessary hormones to prevent ovulation effectively.

2. Effectiveness: If you have been taking the pills backwards for a week, it is likely that the contraceptive effectiveness has been compromised. Most birth control pills require at least seven consecutive days of proper use to achieve maximum effectiveness. Since you have not followed the prescribed regimen, you may not be adequately protected against pregnancy.

3. What to Do Next: It is essential to finish the pack as you have started, even if it means continuing to take the pills in reverse. However, you should also use an alternative form of contraception, such as condoms, for the remainder of the cycle to ensure protection against pregnancy. After finishing the pack, start a new pack from the beginning as per the instructions.


Recommendations
- Consult Your Healthcare Provider: It is crucial to speak with a healthcare professional about your situation. They can provide personalized advice based on your health history and specific circumstances. They may also recommend a backup contraceptive method for the remainder of the cycle.

- Educate Yourself on Proper Use: Familiarize yourself with the instructions for your specific birth control pill. Most packs come with clear guidelines on how to take them, including what to do if you miss a dose or take them incorrectly.

- Monitor for Side Effects: If you experience any unusual symptoms, such as breakthrough bleeding or other side effects, inform your healthcare provider. They can help determine if these are related to your incorrect usage of the pills.


Conclusion
In summary, taking birth control pills backwards can significantly reduce their effectiveness, and it is essential to take them in the prescribed order to maintain contraceptive protection. If you have already been taking them incorrectly for a week, finish the pack but use additional contraception to prevent pregnancy. Always consult with a healthcare provider for guidance tailored to your situation. Remember, proper education and adherence to the prescribed regimen are key to effective birth control.

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