Can You Get Pregnant After Unprotected Sex During Your Safe Period? - Obstetrics and Gynecology

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Can I get pregnant?


The last menstrual period was from March 29, 2019, to April 4, 2019 (with regular monthly cycles).
Sexual intercourse occurred the day after the period ended, on April 5.
Is this considered a safe period? Additionally, since there was no condom used but there was no ejaculation inside, only external ejaculation, is there a risk of pregnancy?

Chen, 10~19 year old female. Ask Date: 2019/04/29

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.
Additionally, some women may not ovulate exactly on schedule or may ovulate earlier than expected.
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: 2019/04/29

More Info


When it comes to understanding the risks of pregnancy after unprotected sex, especially during what is considered a "safe period," it's essential to grasp the basics of the menstrual cycle and ovulation. The menstrual cycle typically lasts about 28 days, but it can vary from person to person. Ovulation usually occurs around the midpoint of the cycle, approximately 14 days before the next period begins.
In your case, you mentioned that your last menstrual period started on March 29 and ended on April 4. If we assume a regular 28-day cycle, ovulation would likely occur around day 14 of your cycle, which would be around April 12. The days leading up to ovulation and the day of ovulation itself are considered the most fertile days, while the days after ovulation are generally regarded as the "safe period" for avoiding pregnancy.

Since you had unprotected sex on April 5, this date falls just a week before your estimated ovulation date. While you mentioned that there was no internal ejaculation (external ejaculation), it is important to note that pre-ejaculate fluid (pre-cum) can contain sperm. Even if ejaculation did not occur inside the vagina, there is still a risk of pregnancy due to the potential presence of sperm in pre-ejaculate fluid.

To answer your question directly: Yes, there is a possibility of getting pregnant after unprotected sex during what you believe to be your safe period, especially if that period is close to ovulation. The risk is not negligible, and while the chances may be lower than during the fertile window, they are still present.

If you are concerned about the possibility of pregnancy, you may want to consider taking a home pregnancy test if your period is late. Additionally, if you are looking for immediate contraception options, you can consider emergency contraception (often referred to as the "morning-after pill"). This can be taken within 72 hours after unprotected sex, but it's most effective the sooner you take it.

In the future, if you wish to avoid unintended pregnancies, it is advisable to use reliable contraceptive methods consistently. While tracking your menstrual cycle can help you understand your fertile and non-fertile days, it is not foolproof. Combining methods, such as using condoms along with hormonal birth control, can provide better protection against both pregnancy and sexually transmitted infections (STIs).

In summary, while the risk of pregnancy may be lower during the safe period, it is not zero, especially if the timing is close to ovulation. If you have any further concerns or questions about your reproductive health, it is always a good idea to consult with a healthcare professional who can provide personalized advice based on your specific circumstances.

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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 healt...

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