Can You Get Pregnant from Brief Unprotected Intercourse? - Obstetrics and Gynecology

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When it comes to the possibility of pregnancy from brief unprotected intercourse, several factors need to be considered. In your case, you had unprotected intercourse on May 21, shortly after your girlfriend's last menstrual period, which started on May 7. This timing is crucial because it relates to her ovulation cycle.

Typically, ovulation occurs about 12 to 16 days after the first day of a woman's last menstrual period, which means that if your girlfriend has a regular cycle, she would likely be ovulating around May 19 to May 23. Since you had intercourse on May 21, it falls within this window, which increases the likelihood of sperm meeting an egg.

Even though you mentioned that the intercourse was brief and there was no ejaculation, it is important to note that pre-ejaculate fluid (pre-cum) can contain sperm. Therefore, even a short duration of unprotected intercourse can potentially lead to pregnancy if sperm is present.

Regarding the coffee-colored discharge your girlfriend is experiencing around June 5, this could be a sign of several things. It might be an early sign of pregnancy, known as implantation bleeding, which can occur when a fertilized egg attaches to the uterine lining. However, it could also be related to her menstrual cycle, especially if she typically experiences similar symptoms before her period starts.

In terms of the likelihood of pregnancy, while it is difficult to provide an exact percentage, the timing of your intercourse in relation to her ovulation does suggest a possibility. If she has not had her period by the expected date, it would be advisable for her to take a home pregnancy test for a more definitive answer. These tests are designed to detect the hormone hCG, which is produced shortly after a fertilized egg implants in the uterus.

If the test is positive, it would confirm pregnancy, and if negative but her period does not arrive, she should consult a healthcare provider for further evaluation. It is also worth noting that stress and hormonal fluctuations can sometimes cause changes in menstrual cycles, which might explain the unusual discharge.

In summary, while the chances of pregnancy from a brief unprotected encounter are not negligible, the best course of action is to wait for her expected period and take a pregnancy test if it does not arrive. If there are any concerns or unusual symptoms, seeking medical advice is always a prudent step.