Can You Get Pregnant During Your Period? the Risks - Obstetrics and Gynecology

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Can you get pregnant during your period?


Last month, my period started on May 10 and lasted for 5 days.
This month, it started on June 12 (with a heavy flow).
On June 13, I had unprotected intercourse a few times, but there was no ejaculation inside (afterward, the bleeding decreased).
On June 14, I used a condom, but my period noticeably had only light spotting, which is not the expected amount for the third day.
By the third day, my period should be approaching its end, but it hasn't.
Could this indicate a possibility of pregnancy?

cc, 10~19 year old female. Ask Date: 2021/06/23

Dr. Huang Yiwen reply Obstetrics and Gynecology


Hello Miss CC: Engaging in sexual intercourse around the ovulation day increases the chances of conception.
Theoretically, if your menstrual cycle is about one month long, ovulation occurs around day 14.
The likelihood of conception during menstruation is almost zero, so there is no need to worry too much.

Reply Date: 2021/06/23

More Info


The question of whether you can get pregnant during your period is a common concern for many individuals. While it is less likely to conceive during menstruation, it is not impossible. To understand this better, we need to consider the menstrual cycle, ovulation, and sperm viability.

The menstrual cycle typically lasts about 28 days, although it can vary from person to person. It consists of several phases: the menstrual phase (when bleeding occurs), the follicular phase (when the body prepares for ovulation), ovulation (when an egg is released), and the luteal phase (when the body prepares for a potential pregnancy). Ovulation usually occurs around the middle of the cycle, approximately 14 days before the next period starts.

Sperm can live inside the female reproductive tract for up to five days, depending on various factors such as the quality of the sperm and the conditions within the cervical mucus. This means that if you have unprotected intercourse towards the end of your period, and you ovulate shortly after, there is a possibility that the sperm could still be viable and fertilize the egg.

In your specific case, you mentioned having unprotected intercourse on June 13, shortly after your period began on June 12. If your menstrual cycle is regular and you typically ovulate around day 14, it is possible that you could be at the beginning of your fertile window. However, since you had your period just a day before, the likelihood of pregnancy is relatively low, but not zero. The bleeding you experienced after intercourse could be due to a variety of reasons, including hormonal fluctuations or irritation from intercourse.

It is also important to note that menstrual cycles can vary, and ovulation can sometimes occur earlier or later than expected, especially if you have irregular cycles. If you are concerned about the possibility of pregnancy, the best course of action is to take a home pregnancy test if your next period is late. These tests are most accurate when taken after a missed period.

In summary, while the chances of getting pregnant during your period are lower, it is still possible due to the viability of sperm and the timing of ovulation. If you are actively trying to avoid pregnancy, it is advisable to use protection consistently, regardless of the timing within your menstrual cycle. If you have further concerns or experience any unusual symptoms, consulting a healthcare provider is always a good idea. They can provide personalized advice based on your health history and circumstances.

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