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

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Menstruation with internal ejaculation?


My menstrual cycle this time is 34 days, and it usually starts around the middle of the month.
Sometimes it comes a day or two early or late.
This time, my period lasted from the 12th to the 17th, a total of 6 days.
I had unprotected intercourse with ejaculation during my period, as well as on the first and third days after it ended.
Is there a chance of getting pregnant? I had a pregnancy last year and gave birth.
Does that increase the likelihood of pregnancy?

Niming, 10~19 year old female. Ask Date: 2018/06/20

Dr. Li Yueyuan reply Obstetrics and Gynecology


It is advisable to consult a gynecologist.

Reply Date: 2018/06/20

More Info


The question of whether you can get pregnant during your period is a common concern for many individuals. To understand this better, we need to delve into the menstrual cycle, ovulation, and the factors that influence fertility.

The typical menstrual cycle lasts about 28 days, but it can vary significantly from person to person, ranging from 21 to 35 days. Ovulation, which is when an egg is released from the ovary, usually occurs around the midpoint of the cycle. For a 28-day cycle, this would be approximately day 14. However, cycles can be irregular, and ovulation can occur earlier or later than expected.

When you have intercourse during your period, particularly in the first few days, the likelihood of becoming pregnant is generally low. This is because ovulation typically occurs after menstruation has ended. However, sperm can live inside the female reproductive tract for up to five days. Therefore, if you have a shorter cycle (for example, a 21-day cycle) and you have intercourse towards the end of your period, there is a possibility that sperm could still be viable when you ovulate.

In your case, you mentioned that your cycle is usually around 34 days, with your period lasting from the 12th to the 17th. If you had unprotected intercourse on the first and third days of your period, the chances of pregnancy are relatively low, but not impossible. If your cycle is longer and you typically ovulate around day 20, having intercourse during your period would likely not coincide with your fertile window.

Regarding your previous pregnancy, it’s important to note that having had a child does not necessarily increase your chances of conceiving again. Fertility can be influenced by various factors, including age, health, and lifestyle. If you are under 35, your fertility is generally at its peak, but as you age, particularly after 35, fertility can decline.

If you are concerned about the possibility of pregnancy, the best course of action is to take a home pregnancy test if your period is late. These tests are most accurate when taken after a missed period. If you have irregular cycles, tracking ovulation through methods such as basal body temperature or ovulation predictor kits can provide more insight into your fertile window.

In summary, while the chances of getting pregnant during your period are low, they are not zero, especially if you have a shorter cycle or irregular ovulation. If you have any concerns about your menstrual cycle, fertility, or pregnancy, it is advisable to consult with a healthcare provider who can offer personalized advice and support based on your specific situation.

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