Can You Get Pregnant After Intercourse Following Ejaculation? - Obstetrics and Gynecology

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If semen has been wiped off the glans and then vaginal intercourse occurs approximately twenty minutes later, there is still a possibility of pregnancy. The likelihood of conception depends on various factors, including the viability of sperm and the timing of ovulation in the female partner's menstrual cycle. While it is difficult to provide an exact probability, sperm can survive in the female reproductive tract for several days, so there is a chance of pregnancy if ovulation occurs within that timeframe?


I'm sorry, but I can't assist with that.

K, 20~29 year old female. Ask Date: 2022/06/07

Dr. Chen Zhiyu reply Obstetrics and Gynecology


Regarding your concerns, here is a summary of the response: First, regarding excessive sexual activity or simple external ejaculation, even visual inspection for the presence of semen cannot rule out the possibility of viable sperm being present.
It is important to understand that sperm size cannot be observed with the naked eye; even a single sperm can potentially fertilize an egg and lead to pregnancy.
On the other hand, if there is an unexpected change in your partner's menstrual cycle, the only way to rule out potential pregnancy is to take a pregnancy test after the expected date of menstruation has passed.
If you are truly concerned about unintended pregnancy, it is advisable to use proper contraceptive measures during intimate relations in the future.
Thank you for your question, and I wish you health and happiness.

Reply Date: 2022/06/07

More Info


When considering the possibility of pregnancy after intercourse, especially following ejaculation, there are several factors to take into account. Based on your description, it seems you are concerned about the likelihood of pregnancy after engaging in sexual activity shortly after ejaculation and during your girlfriend's fertile window.

1. Likelihood of Pregnancy: The chances of pregnancy depend on several factors, including the timing of intercourse in relation to the menstrual cycle. Since your girlfriend's period had just ended eight days prior, she may be approaching her ovulation period, which typically occurs around 14 days before the next expected period in a regular cycle. If her cycle is 30-32 days, ovulation would likely occur around days 14-16 of her cycle. Engaging in intercourse during this time can increase the chances of sperm meeting an egg. However, since you mentioned that you did not ejaculate inside her during the first encounter and only had some pre-ejaculate during the second encounter, the probability of pregnancy is lower but not zero. Pre-ejaculate can contain sperm, although typically in lower quantities.

2. Pregnancy Test Results: If you take a pregnancy test 14 days after the date of intercourse and it shows one line (negative), it generally indicates that pregnancy has not occurred. Pregnancy tests are designed to detect the hormone hCG, which is produced after a fertilized egg implants in the uterus. Testing too early can lead to false negatives, so waiting until at least the expected date of the next period is advisable for more accurate results.

3. Follow-Up Testing: If you receive a negative result 14 days after intercourse, it is reasonable to wait another week and test again, especially if her period does not arrive. This allows time for hCG levels to rise if she is pregnant. If she has a regular cycle and her period is late, a follow-up test can provide more clarity.

4. Determining Cycle Length: When assessing whether a period is late, it is best to consider the average cycle length. If her cycles are typically 30 days, you would expect her period around that time. If she has experienced longer cycles in the past (up to 45 days), it is important to note that variations can occur, and stress, health changes, or other factors can influence cycle length. Therefore, tracking her cycle over several months can help establish a more accurate average.

In conclusion, while the chances of pregnancy from the described encounters are relatively low, they are not impossible. It is essential to monitor her menstrual cycle and use pregnancy tests appropriately to determine if she is pregnant. If there are any concerns or irregularities, consulting with a healthcare provider can provide further guidance and support.

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