Can You Get Pregnant? Risks After Unprotected Intercourse - Obstetrics and Gynecology

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Regarding the possibility of becoming pregnant?


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

Lin Xiaolun, 20~29 year old female. Ask Date: 2015/04/26

Dr. Yang Wangjun reply Obstetrics and Gynecology


Hello: Regarding your questions, here are the responses: (1) If there was no ejaculation during the second intercourse, the chances of pregnancy are low.
(2) Since your girlfriend has just finished her menstrual period, she is likely not yet in her ovulation phase, so the chances of pregnancy are low.
Thank you for your message!

Reply Date: 2015/04/26

More Info


When it comes to understanding the risks of pregnancy after unprotected intercourse, there are several factors to consider. In your situation, you mentioned that you and your girlfriend used a condom during the first encounter but did not use one during the second encounter, where you withdrew before ejaculation. Let's break down the potential risks involved.

1. Contraceptive Failure: While condoms are generally effective at preventing pregnancy when used correctly, they can fail due to breakage or slippage. If the condom was used properly during the first encounter, the risk of pregnancy from that encounter is low. However, the second encounter without a condom poses a higher risk, especially since pre-ejaculate fluid (pre-cum) can contain sperm. Although you did not ejaculate, there is still a possibility of pregnancy from pre-ejaculate.

2. Timing of Ovulation: The timing of your girlfriend's menstrual cycle plays a crucial role in determining the likelihood of pregnancy. If her period is expected to start soon (as you mentioned it should be around Wednesday or Thursday), she may be in the luteal phase of her cycle, which is generally considered a less fertile time. However, sperm can survive in the female reproductive tract for up to five days, so if she ovulates later than expected, there is still a chance of conception.

3. Irregular Cycles: You noted that your girlfriend's menstrual cycles have been somewhat irregular. Irregular cycles can make it more challenging to predict ovulation accurately, increasing the risk of unintended pregnancy if unprotected intercourse occurs. If her cycles are typically longer or shorter than average, this can further complicate the timing of ovulation.

4. Withdrawal Method: The withdrawal method (pulling out) is not a reliable form of contraception. Even if you did not ejaculate, the presence of sperm in pre-ejaculate fluid can lead to pregnancy. Therefore, relying solely on withdrawal increases the risk of unintended pregnancy.

5. Next Steps: If your girlfriend is concerned about the possibility of pregnancy, it would be advisable for her to take a home pregnancy test if her period is late. Additionally, if she is not already on a reliable form of contraception, it may be worth discussing options with a healthcare provider. Emergency contraception is also available if taken within a certain timeframe after unprotected intercourse, which can further reduce the risk of pregnancy.

In conclusion, while the risk of pregnancy in your specific situation may not be extremely high, it is not negligible either. Factors such as the timing of her cycle, the use of withdrawal, and the potential presence of sperm in pre-ejaculate fluid all contribute to the overall risk. If there are any concerns or uncertainties, it is always best to consult with a healthcare professional for personalized advice and guidance.

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