Is the Chance of Pregnancy High After Intercourse on the Last Day of Ovulation?

Q: Is the Chance of Pregnancy High After Intercourse on the Last Day of Ovulation?

Hello, the questioner： There is a possibility of pregnancy even if ejaculation does not occur during intercourse, as pre-ejaculatory fluid may contain sperm. <br>It is best to use emergency contraception as a remedy, but its effectiveness is not 100%, with a failure rate of about

Is the probability of pregnancy high if intercourse occurs on the last day of the ovulation period?

Your menstrual period started on July 10 and ended on July 16.
According to the app, your ovulation period was from July 21 to July 27.
You had unprotected intercourse on July 27, but you withdrew before ejaculation.
You read online that if there is internal ejaculation, some fluid may leak out, but you haven't observed that.
You also mentioned that you often feel a sense of heaviness or bloating in your lower abdomen before your period, and you started feeling that again today.
You would like to know the likelihood of pregnancy in this situation.
Thank you for your help, doctor.

Hsuān, 10~19 year old female. Ask Date: 2022/07/29

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the questioner: There is a possibility of pregnancy even if ejaculation does not occur during intercourse, as pre-ejaculatory fluid may contain sperm.
It is best to use emergency contraception as a remedy, but its effectiveness is not 100%, with a failure rate of about 3%.
Additionally, early pregnancy may not present specific symptoms, and subjective symptoms cannot be used to make a judgment.
It is recommended to check for pregnancy if your period is more than a week late.
Thank you! Wishing you peace and health.
Dr.
Chang

Reply Date: 2022/07/29

More Info

The chance of becoming pregnant after intercourse on the last day of ovulation can be relatively high, especially if the timing is accurate. Ovulation typically occurs about 14 days before the start of your next menstrual period, and sperm can survive in the female reproductive tract for up to five days. This means that if you have intercourse on the last day of ovulation, there is still a possibility that sperm could fertilize an egg if ovulation occurs shortly after.

In your case, you mentioned that your menstrual period started on July 10 and ended on July 16, with your ovulation window estimated to be from July 21 to July 27. If you had intercourse on July 27, which is the last day of your ovulation window, there is a chance that sperm could still be viable and fertilize an egg if ovulation occurred on that day or shortly thereafter.

It’s important to note that the timing of ovulation can vary from cycle to cycle, and using an app to track ovulation may not always be perfectly accurate. Factors such as stress, illness, and hormonal changes can affect your cycle and ovulation timing. Therefore, while the chance of pregnancy is present, it is not guaranteed.

Regarding your symptoms of lower abdominal discomfort, it’s common for women to experience various sensations during their menstrual cycle, including ovulation and premenstrual symptoms. These sensations can include cramping, bloating, or a feeling of heaviness. However, these symptoms alone are not definitive indicators of pregnancy.

If you are concerned about the possibility of pregnancy, the best course of action is to wait until after your expected period and take a home pregnancy test. These tests are designed to detect the hormone hCG (human chorionic gonadotropin), which is produced after a fertilized egg implants in the uterus. If you test positive, it would indicate that you are pregnant. If the test is negative and your period does not arrive, you may want to consult with a healthcare provider for further evaluation.

In summary, the chance of pregnancy after intercourse on the last day of ovulation is indeed possible, but it depends on various factors, including the timing of ovulation and the viability of the sperm. Monitoring your cycle and being aware of your body’s signals can help you better understand your fertility and reproductive health. If you have any further questions or concerns, don’t hesitate to reach out to a healthcare professional for personalized advice.

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