Can You Get Pregnant? Risks After Unprotected Sex - Obstetrics and Gynecology

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Will I get pregnant?


Hello doctor, my girlfriend's last menstrual period was from June 2 to June 8, with a menstrual cycle of 32 days.
We had unprotected intercourse on June 19.
Is there a possibility of pregnancy?

Lin Yi-Hung, 20~29 year old female. Ask Date: 2024/06/20

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, the questioner: There is a possibility of pregnancy even if ejaculation has not occurred during intercourse, as pre-ejaculatory fluid may contain sperm.
It is recommended to check for pregnancy if your period is more than a week late.
Thank you! Wishing you peace and health.
Dr.
Chang

Reply Date: 2024/06/20

More Info


When it comes to understanding the risks of pregnancy after unprotected sex, several factors need to be considered, including the timing of the menstrual cycle, the nature of the sexual activity, and the presence of sperm.

In your case, your girlfriend's last menstrual period was from June 2 to June 8, and she has a menstrual cycle of 32 days. This means that her next expected period would be around July 4 to July 8. Ovulation typically occurs about 14 days before the start of the next period, which would place her ovulation around June 20. Given that you had unprotected sex on June 19, this timing is very close to her ovulation window, which is when she is most fertile.

Even though there was no ejaculation inside the vagina, it is important to note that pre-ejaculatory fluid (pre-cum) can contain sperm. This fluid is released before ejaculation and can potentially lead to pregnancy if it comes into contact with the vaginal canal. Therefore, while the risk of pregnancy is lower without ejaculation, it is not zero.

Considering the timing of your sexual encounter, there is a possibility of pregnancy, especially since it occurred just one day before her estimated ovulation. If she has a regular cycle, the likelihood of pregnancy is higher during this fertile window.

If you are concerned about the possibility of pregnancy, it is advisable for your girlfriend to take a home pregnancy test if her period is late. Most home pregnancy tests are accurate when taken after a missed period, which would be around July 4 or later in this case. If she experiences any unusual symptoms or if the test is positive, she should consult a healthcare provider for further guidance.

In terms of emergency contraception, if you are still within 72 hours of the unprotected intercourse, it may be an option to consider. Emergency contraceptive pills (ECPs) can significantly reduce the risk of pregnancy if taken promptly after unprotected sex. However, since you mentioned that the encounter was on June 19 and the current date is not specified, it is essential to act quickly if you are considering this option.

In summary, while the risk of pregnancy exists due to the timing of your sexual activity and the potential presence of sperm in pre-ejaculatory fluid, the best course of action is to monitor for any signs of pregnancy and take a test if her period is late. If there are any concerns or questions about sexual health or contraception, consulting a healthcare professional is always a good idea. They can provide personalized advice and support based on individual circumstances.

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

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