Can I Get Pregnant After Missing Birth Control for a Month? - Obstetrics and Gynecology

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Can I get pregnant?


You have been taking the oral contraceptive pill for six months, but you stopped for a month due to personal reasons.
Your menstrual period was from October 15 to October 20, and you resumed taking the oral contraceptive pill right after your period ended.
However, on the 22nd, you had sexual intercourse with your boyfriend using a condom, which may have leaked.
You are wondering if you could become pregnant and whether you should consider taking emergency contraception for safety.

2Y, 20~29 year old female. Ask Date: 2016/10/23

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, you can start taking the contraceptive pill on the fifth day of your menstrual period.
It doesn't have to be taken at the exact same time, as taking it around the same time is sufficient.
As long as you take it regularly, it will be effective for contraception, and there should be no need to take emergency contraception.
Wishing you good health.

Reply Date: 2016/10/23

More Info


When it comes to the question of whether you can get pregnant after missing a month of birth control, the answer is yes, there is a possibility of pregnancy. Birth control pills are designed to regulate your menstrual cycle and prevent ovulation, but if you miss a dose or stop taking them altogether, your body may not be protected against pregnancy.

In your case, you mentioned that you had been taking birth control pills for six months but stopped for one month due to personal reasons. After your menstrual cycle ended on October 20, you resumed taking the pills but had unprotected intercourse on October 22. Even though you used a condom, you noted that it may have leaked, which raises concerns about the effectiveness of your contraception during that time.

To understand the risk of pregnancy, it's important to consider a few key points:
1. Timing of Ovulation: After stopping birth control, your body may take some time to return to its natural cycle. Ovulation can occur as early as a few days after your last pill, especially if you have a shorter menstrual cycle. If you ovulated shortly after your period ended, there is a chance that sperm could fertilize an egg.

2. Effectiveness of Condoms: While condoms are generally effective in preventing pregnancy when used correctly, they are not infallible. If the condom leaked, this could increase the risk of pregnancy, especially if you were in your fertile window.

3. Emergency Contraception: If you are concerned about the possibility of pregnancy, you may want to consider taking emergency contraception (often referred to as the "morning-after pill"). This can be effective if taken within 72 to 120 hours after unprotected intercourse, depending on the type of emergency contraceptive used. It works primarily by preventing ovulation or fertilization of an egg.

4. Resuming Birth Control: Since you have resumed taking your birth control pills, it's important to note that it may take a few days for them to become effective again, depending on the specific type of pill you are using. Generally, it is recommended to use an additional form of contraception, such as condoms, for at least the first seven days after restarting the pill.

5. Consulting a Healthcare Provider: Given your situation, it would be wise to consult with a healthcare provider. They can provide personalized advice based on your medical history and current circumstances. They can also help you understand the best options for emergency contraception if you decide to pursue that route.

In summary, while there is a possibility of pregnancy after missing a month of birth control, the risk can be mitigated by taking emergency contraception and consulting with a healthcare professional. It's crucial to stay informed about your reproductive health and make decisions that align with your personal circumstances and family planning goals.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances are low. If your period does not arrive after waiting another week, it is recommended to see a gynecologist. Wishing you good health.

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Hello, you should not be pregnant. Wishing you good health.

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