Pregnancy Risks: Unprotected Sex During Ovulation

Could you please clarify your question regarding the likelihood of pregnancy?

Your menstrual period in June was from the 13th to the 18th, and you experienced irregular bleeding in July.
This month, your cycle is from the 4th to the 8th, and you are currently experiencing ovulation bleeding.
You had unprotected intercourse with your boyfriend yesterday, but he did not ejaculate inside.
I would like to know if this increases the likelihood of pregnancy.
The app indicates that my cycle is approximately 37 days, which is why I realized I might be in a fertile window, but I'm not sure since my periods seem irregular.
Please advise, doctor.
🙏

Ms. Chen, 20~29 year old female. Ask Date: 2022/08/26

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, if you have not fully utilized contraceptive measures, it is advisable to take emergency contraception as a precaution.
Wishing you good health.

Reply Date: 2022/08/26

More Info

When it comes to understanding the risks of unprotected sex during ovulation, it's essential to consider several factors, including the timing of ovulation, the nature of your menstrual cycle, and the viability of sperm. Based on your description, it seems you have a longer menstrual cycle, averaging around 37 days, which can make predicting ovulation a bit more challenging.

Typically, ovulation occurs about 14 days before the start of your next menstrual period. In a 37-day cycle, ovulation would likely occur around day 23 of your cycle. However, since you mentioned experiencing irregular periods, pinpointing the exact day of ovulation can be tricky. The presence of ovulation bleeding, which you described, can be an indicator that you are indeed in your fertile window.

Regarding the risk of pregnancy from unprotected sex during this time, it is important to note that sperm can live inside the female reproductive tract for up to five days. Therefore, if you had unprotected intercourse during your ovulation period, even if ejaculation did not occur inside the vagina, there is still a possibility of pregnancy. Pre-ejaculate fluid (pre-cum) can contain sperm, and if it comes into contact with the vaginal canal, it can lead to fertilization.

Given that you are currently experiencing ovulation bleeding, it is likely that you are in a fertile phase, which increases the chances of conception. If your cycle is irregular, it might be beneficial to track your ovulation more closely in future cycles, using methods such as ovulation predictor kits, monitoring basal body temperature, or observing changes in cervical mucus.

If you are concerned about the possibility of pregnancy, consider taking a home pregnancy test if your period does not arrive as expected. These tests are most accurate when taken after a missed period. If you find yourself frequently engaging in unprotected sex and are not ready for pregnancy, it may be wise to discuss contraceptive options with your healthcare provider.

In summary, while the risk of pregnancy is present during unprotected sex around the time of ovulation, the exact probability can vary based on individual factors such as cycle regularity and timing. If you have further concerns or questions about your reproductive health, it is always a good idea to consult with a healthcare professional who can provide personalized advice and guidance.

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Hello, it's difficult to ensure that nothing has been overlooked, so I recommend taking emergency contraception just in case. Wishing you good health.