Pregnancy Chances: Safe Period and Symptoms Explained - Obstetrics and Gynecology

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Pregnancy probability


Hello, doctor.
My menstrual cycle is 34 days, and my period lasts for 6 days.
My last menstruation was from October 16 to October 21.
I had unprotected external ejaculation on October 22, November 11, and November 13.
I would like to know if these dates fall within the safe period.
Can external ejaculation during the safe period still lead to pregnancy? I expect my next period on November 17, but as of November 21, it hasn't arrived yet.
I have some breast tenderness, abdominal discomfort, and slight spotting, but my period still hasn't come.
Is there a possibility of pregnancy? Could it be implantation bleeding, or is it just a delayed period?

Miss Wei, 20~29 year old female. Ask Date: 2022/11/21

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the chances of pregnancy should be low, but you can take a pregnancy test to check.
Wishing you good health.

Reply Date: 2022/11/21

More Info


Understanding the chances of pregnancy, especially when engaging in unprotected sexual intercourse, is crucial for anyone who is not ready to conceive. Based on your menstrual cycle of 34 days and the details provided, let's break down the concepts of safe periods, ovulation, and the symptoms you are experiencing.


Menstrual Cycle and Ovulation
A typical menstrual cycle lasts between 21 to 35 days, with ovulation occurring approximately 14 days before the start of your next period. In your case, with a cycle of 34 days, ovulation would likely occur around day 20 of your cycle (34 - 14 = 20). This means that your fertile window, or "danger zone," would be from about day 18 to day 22 of your cycle, which corresponds to the days around your ovulation.


Safe Period and Risks of Pregnancy
The safe period refers to the days in your cycle when you are least likely to conceive. For someone with a 34-day cycle, the safe period would generally be considered to be the first 8 days of your cycle and the last 10 days (after ovulation). However, this method of calculating safe periods can be unreliable, especially if your cycle is irregular or if you do not track it consistently.

Given that you had unprotected sexual intercourse on October 22, November 11, and November 13, it is important to note that the first encounter occurred just two days after your last period ended, which is typically considered a safer time. However, the latter two encounters occurred well within your fertile window, increasing the risk of pregnancy.


Symptoms and Pregnancy Testing
You mentioned experiencing symptoms such as breast tenderness, abdominal discomfort, and some light spotting. These symptoms can be indicative of several things, including premenstrual syndrome (PMS) or early signs of pregnancy. The spotting you described could potentially be implantation bleeding, which occurs when a fertilized egg attaches to the uterine lining, typically around 6 to 12 days after conception.

Since your period was expected on November 17 and you are now experiencing a delay, it is advisable to take a home pregnancy test. These tests are most accurate when taken after a missed period. If the test is positive, you should consult with a healthcare provider for further evaluation and to discuss your options.


Conclusion
In summary, while there is a possibility of pregnancy given the timing of your sexual encounters and your current symptoms, the only way to confirm pregnancy is through a test. If you find yourself pregnant and are considering your options, including abortion, it is essential to consult with a healthcare professional who can provide guidance and support.
If you have further concerns about your menstrual cycle, contraceptive methods, or pregnancy, do not hesitate to reach out to a gynecologist or a family planning clinic. They can provide personalized advice based on your health history and needs. Remember, understanding your body and cycle is key to making informed decisions about your reproductive health.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the menstrual period is also considered a safe period, so the chances of pregnancy are low. However, engaging in sexual intercourse during menstruation can be less healthy due to the presence of blood. Wishing you good health.

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