Could You Be Pregnant? Risks After Unprotected Intercourse

Can I get pregnant?

My partner visited from February 8 to February 15, and then returned to Taiwan from Singapore on the 25th.
We had unprotected intercourse on the 26th, but he pulled out before ejaculation.
After that, we used protection.
She was supposed to get her period around the 6th, but it hasn't arrived yet.
Is there a possibility of pregnancy?

Liao, 20~29 year old female. Ask Date: 2016/03/11

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, you should wait.
Generally, a pregnancy test should be taken at least 12 days after conception for accurate results.
If your period is more than a week late, it is advisable to see a gynecologist.
Wishing you good health.

Reply Date: 2016/03/11

More Info

When assessing the risk of pregnancy after unprotected intercourse, it is essential to consider several factors, including the timing of the menstrual cycle, the nature of the sexual activity, and the use of contraception. In your case, you mentioned that your partner's last menstrual period started on February 8 and ended on February 15, with the next expected period around March 6. You had sexual intercourse on February 26, which is crucial for evaluating the risk of pregnancy.

Firstly, let's discuss the menstrual cycle. A typical menstrual cycle lasts about 28 days, but it can vary from person to person, ranging from 21 to 35 days. Ovulation usually occurs about 14 days before the start of the next period. In your case, if we assume a 28-day cycle, ovulation would likely occur around February 22. Since you had intercourse on February 26, this was just a few days after ovulation, which increases the risk of pregnancy because sperm can survive in the female reproductive tract for up to five days.

You mentioned that there was some penetration without ejaculation, followed by the use of condoms for subsequent intercourse. While the risk of pregnancy from pre-ejaculate fluid (pre-cum) is generally lower than from ejaculate, it is still possible for sperm to be present in pre-ejaculate fluid. Therefore, any unprotected penetration, even for a brief moment, can pose a risk of pregnancy, especially if it occurs close to the ovulation period.

Now, regarding the missed period: If your partner's period was expected around March 6 and it has not arrived, this could be an indication of pregnancy. However, there are other factors that can cause a delay in menstruation, such as stress, hormonal imbalances, changes in weight, or illness. Given that you mentioned your partner's return from Singapore, travel can also impact menstrual cycles due to changes in routine and stress levels.

To determine if pregnancy has occurred, it is advisable for your partner to take a home pregnancy test. These tests are most accurate when taken after a missed period, as they measure the hormone hCG (human chorionic gonadotropin), which is produced during pregnancy. If the test is positive, it is essential to consult a healthcare provider for further evaluation and guidance.

In summary, based on the timing of your sexual activity relative to your partner's menstrual cycle, there is a possibility of pregnancy due to the unprotected intercourse that occurred shortly after ovulation. The missed period further supports this concern. It is crucial to take a pregnancy test and consult with a healthcare professional for confirmation and to discuss any next steps. Additionally, if you and your partner are sexually active, consider discussing reliable contraceptive methods to reduce the risk of unintended pregnancy in the future.

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