Emergency Contraceptive Pills: Your Questions Answered - Obstetrics and Gynecology

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Emergency contraceptive pill


Hello Doctor, I have been taking the oral contraceptive pill for one month, which consists of 28 pills, with 21 active pills.

1.
If my period does not come during the 7-day placebo period, should I continue to the second pack or wait for my period to start before taking it? If I start the second pack and my period comes in the middle, should I continue taking the remaining 28 pills and then proceed to the third pack?
2.
I read online that there is contraceptive effectiveness after 7 days, but I want to be cautious and take it for a month.
Should I also take the second pack for a month, or is it counted from the start of the first pack?
3.
Is there contraceptive effectiveness during the 7-day placebo period?

mia, 20~29 year old female. Ask Date: 2016/05/28

Dr. Zhang Kunmin reply Obstetrics and Gynecology


What you need is not medical consultation but rather a remedial course in sexual education.
For such inquiries, it is recommended to refer to the National Health Administration's "Sexual Wellness e-Learning" or the Obstetrics and Gynecology Society's "Consultation Guide for Adolescent Contraception" at http://goo.gl/dc6PfW.

Hello, in response to your inquiry:
1.
If you are using a 21-pill pack and your period does not start within 7 days of stopping the pills, you should continue taking a new pack on the 8th day.
If you are using a 28-pill pack and your period does not start during the last 7 days, you should directly start the next pack.

2.
The contraceptive effect can be maintained after the first cycle.

3.
For the 28-pill pack (the last 7 pills are placebo), menstruation will typically occur during those last 7 days, so it is important to start the next pack immediately after finishing the 28-pill pack.

Thank you! Wishing you peace and health.

Dr.
Zhang

Reply Date: 2016/05/28

More Info


Understanding emergency contraceptive pills (ECPs) and regular contraceptive pills can be quite complex, especially when it comes to the timing of doses and the implications of missed periods. Let's break down your questions one by one.

1. Regarding the 7-day pill-free interval and your menstrual cycle: If you have completed a 28-day cycle of active pills and have entered the 7-day pill-free period without having your period, it is generally recommended to start your next pack of pills on schedule, even if your period has not arrived. The absence of menstruation during this time could be due to various factors, including hormonal fluctuations, stress, or other health issues. If you start the second pack and your period begins during the active pills of that pack, you should continue taking the pills as directed until the pack is finished. It is important to maintain the regimen to ensure continued contraceptive effectiveness.

2. On the effectiveness of the pills and the duration of use: The 7-day period mentioned refers to the time it takes for the contraceptive pills to become effective if you are starting them for the first time. If you have been taking the pills consistently for a month, you are already protected against pregnancy. Therefore, when you start your second pack, you do not need to wait for a full month again; you can continue taking the pills as prescribed. The effectiveness of the contraceptive method is maintained as long as you take the pills correctly.

3. Contraceptive effectiveness during the 7-day pill-free interval: During the 7-day break from active pills, you typically do not have contraceptive protection unless you have been taking the active pills consistently and correctly prior to this break. The idea is that the hormone levels in your body will still provide some level of protection, but it is not as reliable as when you are actively taking the pills. If you have any concerns about potential pregnancy during this time, it may be wise to use a backup method of contraception, such as condoms.

In summary, if you are on a regular contraceptive pill regimen, it is crucial to take the pills consistently and follow the prescribed schedule. If you have any doubts or experience unusual symptoms, such as a missed period, it is advisable to consult with your healthcare provider. They can provide personalized advice based on your health history and current situation. Additionally, if you are ever in doubt about your contraceptive method or its effectiveness, discussing it with a healthcare professional can help clarify any uncertainties and ensure you are using the method that best suits your needs.

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