Is Pregnancy Possible After Condom Failure Post-Surgery?

Is it possible to be pregnant?

Hello doctor, I would like to ask: My girlfriend had surgery for an endometrioma at the beginning of February and has been taking medication as prescribed for nearly four months.
On May 24, we had sexual intercourse with a condom, but after withdrawal, we discovered that the condom had broken.
What is the likelihood of pregnancy in this situation?

Ted, 20~29 year old female. Ask Date: 2017/05/24

Dr. Huang Jianzhong reply Obstetrics and Gynecology

My girlfriend had surgery for a chocolate cyst in early February and has been taking the prescribed medication for nearly four months.
On May 24, we had sexual intercourse with a condom, but after withdrawal, we discovered that the condom had broken.
What is the likelihood of pregnancy in this situation?
Answer: The likelihood of pregnancy is low.

P.S.
Please refer to the National Health Administration's "Sexual Happiness e-Learning" or the Obstetrics and Gynecology Society's "Adolescent Contraceptive Guidance" at http://goo.gl/dc6PfW.

Reply Date: 2017/05/24

More Info

In the scenario you've described, the possibility of pregnancy after a condom failure is indeed a concern, especially considering your girlfriend's recent surgery for a chocolate cyst (endometrioma). Let's break down the factors involved.

First, it's important to understand that the risk of pregnancy exists whenever there is unprotected intercourse, even if a condom is used but fails. The likelihood of pregnancy depends on several factors, including the timing of the menstrual cycle, the health of the reproductive system post-surgery, and the effectiveness of the contraceptive method used.

1. Timing of Ovulation: If your girlfriend has a regular menstrual cycle, ovulation typically occurs around 14 days before the start of her next period. If the sexual intercourse occurred close to this ovulation window, the chances of pregnancy increase significantly. However, if it was outside this window, the likelihood decreases.

2. Post-Surgery Considerations: After surgery for a chocolate cyst, there may be temporary changes in hormone levels and menstrual cycles. This can affect ovulation. If her menstrual cycle has returned to normal and she is ovulating, the risk of pregnancy remains. However, if her cycle is irregular or if she has not yet resumed ovulation, the risk may be lower.

3. Contraceptive Failure: Condoms are generally effective in preventing pregnancy when used correctly, but they can fail due to improper use, damage, or manufacturing defects. If the condom broke during intercourse, sperm could have been deposited in the vagina, leading to a potential pregnancy.

4. Emergency Contraception: If there is concern about pregnancy, emergency contraception (like Plan B) can be taken within 72 hours after unprotected intercourse. This can significantly reduce the chances of pregnancy if taken promptly. It's advisable for your girlfriend to consult with her healthcare provider about this option.

5. Consulting a Healthcare Provider: Given that your girlfriend has had surgery, it is crucial to follow up with her healthcare provider. They can provide personalized advice based on her medical history, the specifics of her surgery, and her current health status. They can also guide her on the best course of action if pregnancy is a concern.

In summary, while there is a possibility of pregnancy after a condom failure, the actual risk depends on various factors, including the timing of ovulation and her reproductive health post-surgery. If there are any concerns about potential pregnancy, it is best to consult a healthcare provider for further evaluation and guidance.

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