Can I Get Pregnant After Unprotected Intercourse During Ovulation? - Obstetrics and Gynecology

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Can I get pregnant?


Hello, doctor.
I would like to ask about the unprotected sexual intercourse with my partner over the past two days, which I found out might coincide with ovulation according to an app.
We took the emergency contraceptive pill Ella 12 hours after the intercourse.
What is the likelihood of pregnancy in this situation? Thank you, doctor.

An, 20~29 year old female. Ask Date: 2023/08/02

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the chances of pregnancy should be low.
Wishing you good health.

Reply Date: 2023/08/02

More Info


When it comes to the possibility of getting pregnant after unprotected intercourse during ovulation, it's important to understand the timing of ovulation and the effectiveness of emergency contraception like Ella (ulipristal acetate). Ovulation typically occurs about 14 days before the start of your next menstrual period, and this is when a woman is most fertile. Sperm can live inside the female reproductive tract for up to five days, which means that if you have unprotected intercourse in the days leading up to ovulation, there is a significant chance of pregnancy.

In your case, since you mentioned that you had unprotected intercourse during what you believe to be your ovulation period, the risk of pregnancy is indeed higher. However, taking Ella within 12 hours after the intercourse is a proactive step. Ella is designed to prevent pregnancy by delaying or inhibiting ovulation. If ovulation has not yet occurred, Ella can be quite effective in preventing pregnancy.
The effectiveness of Ella is highest when taken as soon as possible after unprotected intercourse, and it can be taken up to 120 hours (5 days) after. Studies have shown that Ella is effective in preventing pregnancy even when taken during the ovulation window, as it can delay ovulation and thus reduce the chances of sperm meeting an egg.

It's also important to note that while Ella is effective, no emergency contraceptive is 100% guaranteed to prevent pregnancy. The effectiveness can vary based on where you are in your menstrual cycle when you take it. If ovulation has already occurred and the egg has been fertilized, Ella may not be effective.

In summary, while there is a risk of pregnancy due to unprotected intercourse during ovulation, taking Ella within 12 hours significantly reduces that risk. If you are concerned about the possibility of pregnancy, it may be advisable to take a pregnancy test if your period is late or if you experience any unusual symptoms. Additionally, if you find yourself frequently in situations where you may need emergency contraception, consider discussing long-term contraceptive options with your healthcare provider to better manage your reproductive health.
Lastly, it’s always a good idea to consult with a healthcare professional for personalized advice and to discuss any concerns you may have regarding your reproductive health. They can provide guidance tailored to your specific situation and help you understand your options moving forward.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, you should not be pregnant. Wishing you good health.

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Hello, if you did not use complete contraceptive measures, it is advisable to take emergency contraception just in case. Wishing you good health.

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Hello, the probability should be low, but it is still recommended to take contraceptive measures. Wishing you good health.

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