Pregnancy Chances After Protected Intercourse During Ovulation

Probability of Pregnancy

Your girlfriend's ovulation day was on April 13, and you had intercourse on April 16, using a condom throughout the entire act and withdrawing before ejaculation.
Given these precautions, the likelihood of pregnancy is low.
However, no contraceptive method is 100% effective, so there is still a small risk of pregnancy.

Mr. Li, 10~19 year old female. Ask Date: 2022/04/16

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the failure rate of using condoms correctly throughout intercourse is still about 5%, which means there is still a possibility of pregnancy.
For those who engage in sexual activity more frequently, it is not advisable to rely solely on condoms for contraception.
I recommend that if your period is one week late, you should take a urine test to check for pregnancy.
Thank you! Wishing you peace and health.
Dr.
Zhang

Reply Date: 2022/04/16

More Info

When considering the chances of pregnancy after protected intercourse during ovulation, it is important to understand a few key factors regarding the timing of ovulation, the effectiveness of condoms, and the nature of sperm viability.

In your case, your girlfriend ovulated on April 13, and you had intercourse on April 16. The timing of ovulation is crucial because it is the period when a woman is most fertile. Sperm can live inside the female reproductive tract for up to five days, but the egg is viable for about 12 to 24 hours after ovulation. Therefore, if ovulation occurred on April 13, the egg would likely have been viable until the end of April 14. By having intercourse on April 16, you missed the optimal window for conception, as the egg would no longer be available for fertilization.

Regarding the use of condoms, they are one of the most effective forms of contraception when used correctly. Condoms have a typical use effectiveness rate of about 85%, meaning that about 15 out of 100 couples using condoms as their only form of birth control will experience an unintended pregnancy within a year. However, when used perfectly, the effectiveness can be as high as 98%. Since you mentioned that you used a condom throughout the intercourse and withdrew before ejaculation, this further reduces the risk of pregnancy.

It is also worth noting that even with perfect use, no contraceptive method is 100% effective. Factors such as condom breakage, slippage, or improper use can increase the risk of pregnancy. However, if you followed proper usage guidelines, the likelihood of pregnancy in your situation is quite low.

In summary, given that you had intercourse two to three days after ovulation and used a condom correctly throughout, the chances of your girlfriend becoming pregnant are minimal. If there are any concerns about potential pregnancy, it may be advisable for her to take a pregnancy test if her period is late or if she experiences any unusual symptoms. Additionally, if you and your girlfriend are planning to avoid pregnancy in the future, consider discussing other contraceptive options with a healthcare provider to find a method that best suits your needs.
Lastly, if you have further questions or concerns about reproductive health or contraception, consulting with a healthcare professional can provide personalized advice and information tailored to your specific situation.

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