Can You Get Pregnant from Sex Five Days Before Your Period? - Obstetrics and Gynecology

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Urgent!! Is it possible to get pregnant if intercourse occurs five days before menstruation?


Having sexual intercourse with your boyfriend on October 17, with one instance using a condom and the other starting without one but finishing inside the condom, means that the risk of pregnancy is relatively low, especially since the final ejaculation occurred inside the condom.
If your menstrual cycle is expected to start in five days (on October 22), you are likely in the luteal phase of your cycle, which is generally considered to be a less fertile period.
However, it's important to remember that while the chances of pregnancy are lower during this time, no contraceptive method is 100% effective.
If you have concerns about potential pregnancy, consider taking a home pregnancy test if your period is late or consult with a healthcare professional for further guidance.

yu, 10~19 year old female. Ask Date: 2020/10/18

Dr. Huang Yuande reply Obstetrics and Gynecology


If your menstrual cycle is consistently 28 days, the chances of getting pregnant are low, provided that the "menstrual cycle" is accurate.

Reply Date: 2020/10/18

More Info


When considering the possibility of pregnancy from sexual intercourse that occurs five days before your expected period, it's essential to understand the timing of ovulation and the lifespan of sperm. In a typical 28-day menstrual cycle, ovulation usually occurs around 14 days before the start of your next period. This means that if your cycle is regular, the fertile window is generally considered to be a few days before and after ovulation.

In your case, since you had sexual intercourse on October 17 and your period is expected on October 22, this places you just five days before your expected menstruation. If we assume your cycle is regular and you ovulate around day 14, then by day 23 (five days before your period), you would likely be past your fertile window. Sperm can live inside the female reproductive tract for up to five days, but the chances of conception decrease significantly as you approach your period.

Given that you mentioned using a condom during one instance of intercourse and that ejaculation occurred inside the condom, this further reduces the risk of pregnancy. The other instance where the condom was not used, if there was no ejaculation, also lowers the likelihood of sperm being present to cause pregnancy. However, it’s important to note that pre-ejaculate fluid (pre-cum) can contain sperm, albeit in smaller quantities, which is a consideration if there was any contact without protection.

The likelihood of becoming pregnant from intercourse five days before your period is generally low, especially if you have a regular menstrual cycle. However, if your cycle is irregular or if you are unsure about your ovulation timing, there is always a small risk of pregnancy.

If you are concerned about the possibility of pregnancy, the most reliable way to determine if you are pregnant is to take a home pregnancy test. These tests are most accurate when taken after a missed period. Since your period is expected soon, you may want to wait until after the expected date to take the test for the most reliable result.

In summary, while the chances of getting pregnant from intercourse five days before your period are low, they are not zero, especially if there was any exposure to sperm. If you have any further concerns or if your period does not arrive as expected, consulting with a healthcare professional can provide additional guidance and support.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the probability should be low, but it is advisable to use contraception at all times. Wishing you good health.

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Dr. Zhang Kunmin reply Obstetrics and Gynecology
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Hello, it is generally unlikely to become pregnant, so there is no need to worry. Wishing you good health.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of pregnancy are low, but it is best to take preventive measures beforehand. Do not rely on the safe period. If your period is more than a week late, it is advisable to see a gynecologist. Wishing you good health.

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