Taking emergency contraceptive pills during the fertile window?
Hello, Doctor.
I would like to ask a question.
I have been taking oral contraceptives for six months! I originally took them for 28 days, but starting last month, I switched to a 21-day regimen, and I have been taking them on time.
However, I start taking the first pill on the 5th day after my period; is that correct? Also, I would like to understand if it is safe to have unprotected intercourse during the fertile window or ovulation period.
I am very concerned about the possibility of becoming pregnant! (I have a high fertility rate; previously, when I took emergency contraception, I ended up pregnant twice even after taking it immediately, which is why I switched to regular oral contraceptives.) Thank you, Doctor.
JJ, 30~39 year old female. Ask Date: 2020/12/11
Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, taking birth control pills on time, whether it's a 21-day or 28-day regimen, is effective for contraception.
Wishing you good health.
Reply Date: 2020/12/11
More Info
When it comes to understanding the use of oral contraceptives and their effectiveness during the fertility window, it’s essential to grasp a few key concepts about how these medications work and the implications of timing in relation to your menstrual cycle.
Firstly, it’s great to hear that you have been consistent with your oral contraceptive pills (OCPs) for six months. The effectiveness of OCPs is significantly increased when taken as directed. Typically, a 28-day pill pack is designed to be taken for 21 days, followed by a 7-day break during which you would have your period. Switching to a 21-day pack means you take the pills for three weeks and then have a week off. Starting the pill on the fifth day after your period is generally acceptable, as long as you are consistent and follow the instructions provided with your specific brand of pills.
Regarding your concern about having unprotected intercourse during your fertile window or ovulation period, it’s important to note that if you have been taking your OCPs correctly, the likelihood of pregnancy is very low, even during these times. Most modern OCPs are over 99% effective when taken correctly. This means that if you are diligent about taking your pills at the same time every day, you should be well-protected against unintended pregnancy, even if you have intercourse during your ovulation period.
However, since you mentioned that you have a history of easily becoming pregnant, it’s understandable that you might feel anxious about this. If you are concerned about the effectiveness of your current method, you might want to consider additional contraceptive measures, such as using condoms in conjunction with your pills. This dual method not only provides extra protection against pregnancy but also helps reduce the risk of sexually transmitted infections (STIs).
It’s also worth noting that while OCPs are effective, they do not provide immediate protection if you start taking them after your menstrual cycle has begun. If you start taking the pill after your period, it may take a week for the contraceptive effects to kick in, depending on the type of pill. Therefore, if you have unprotected sex during this initial week, there is a risk of pregnancy.
In terms of side effects, some women experience mood swings or emotional changes when taking OCPs, which could be a result of hormonal fluctuations. If you notice significant changes in your mood or other side effects that concern you, it’s a good idea to discuss these with your healthcare provider. They may suggest trying a different formulation of the pill or exploring other contraceptive options that might suit you better.
Lastly, if you ever find yourself in a situation where you have had unprotected intercourse and are worried about pregnancy, emergency contraception (like the morning-after pill) is an option, but it should be taken as soon as possible after the event for maximum effectiveness.
In summary, if you are taking your OCPs correctly, you should be well-protected against pregnancy, even during your fertile window. However, if you have any doubts or experience any concerning symptoms, consulting with your healthcare provider is always the best course of action. They can provide personalized advice and help you feel more secure in your contraceptive choices.
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