Pregnancy Chances After Unprotected Intercourse During Ovulation

Probability of Pregnancy

Hello Doctor, my girlfriend has a 27-day ovulation cycle and her average menstruation lasts for 5 days.
The first day of her last period was on February 27, 2021.
We had intercourse during the last two days of her ovulation period, specifically on March 14.
During intercourse, the condom slipped off inside her vagina.
I did not ejaculate inside her, but there was some white fluid in the condom, and I am unsure if it was pre-ejaculate fluid.
I managed to remove the condom afterward.
Today, on March 17, she mentioned that her breasts feel swollen.
Could this be a sign of pregnancy? What is the likelihood of her being pregnant? Thank you, Doctor.

Xie xie yi sheng, 20~29 year old female. Ask Date: 2021/03/17

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, this is not a sign of pregnancy.
To determine if you are pregnant, it is advisable to monitor your condition.
If your period is more than a week late, it is recommended to see a gynecologist.
Wishing you good health.

Reply Date: 2021/03/17

More Info

Understanding the chances of pregnancy after unprotected intercourse during ovulation is crucial for anyone trying to conceive or avoid pregnancy. In your case, the timing of intercourse is particularly significant. You mentioned that your girlfriend's menstrual cycle is 27 days long, with ovulation occurring around the midpoint of the cycle. Given that her last menstrual period started on February 27, ovulation would likely occur around March 13 or 14, which aligns with the date of your intercourse.

During ovulation, the chances of conception are at their highest, as this is when the egg is released and available for fertilization. Sperm can survive in the female reproductive tract for up to five days, so if you had intercourse during the last two days of her ovulation window, there is a reasonable chance that sperm could still be present when the egg is released.

Regarding the condom incident, while you did not ejaculate inside her, the presence of pre-ejaculatory fluid (pre-cum) can still pose a risk for pregnancy. Pre-ejaculatory fluid can contain sperm, although typically in lower quantities than ejaculate. If the condom slipped off and you were unable to remove it before any fluid could escape, there is a possibility that sperm could have entered the vagina, increasing the risk of pregnancy.

Your girlfriend's symptom of breast tenderness or swelling ("脹奶") can be an early sign of pregnancy, but it is not definitive. Breast changes can occur for various reasons, including hormonal fluctuations related to the menstrual cycle, stress, or even premenstrual syndrome (PMS). The best way to confirm pregnancy is through a home pregnancy test, which can be taken about a week after the missed period for the most accurate results.

In summary, given the timing of your intercourse during her ovulation period and the condom mishap, there is a possibility of pregnancy. However, without a missed period or a positive pregnancy test, it is too early to conclude definitively. If your girlfriend's period is late, it would be advisable for her to take a pregnancy test for confirmation. If she experiences any unusual symptoms or has concerns, consulting a healthcare provider would be beneficial for further evaluation and guidance.

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