Can You Get Pregnant Without Protection During Safe Period? - Obstetrics and Gynecology

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Can I get pregnant?


Hello, doctor.
I would like to ask if it is possible to get pregnant during the fertile period if no protection was used.
At first, there was no condom, but later one was used, although not for long, and there was no ejaculation inside.
So, if no protection was used and it wasn't during the safe period, is there a chance of pregnancy? At first, there was no condom, but later one was used, and it wasn't for long, and there was no ejaculation inside.

Niming, 20~29 year old female. Ask Date: 2018/10/29

Dr. Cai Yonglong reply Obstetrics and Gynecology


There is a possibility of pregnancy, as some sperm may swim into the uterus.

Reply Date: 2018/10/29

More Info


The question of whether one can get pregnant without protection during the so-called "safe period" is a common concern among individuals who are trying to avoid unintended pregnancies. The "safe period" refers to the days in a woman's menstrual cycle when she is least likely to conceive, typically calculated based on the timing of ovulation. However, it is essential to understand that this method is not foolproof.

First, let's clarify how the menstrual cycle works. A typical menstrual cycle lasts about 28 days, but it can vary from woman to woman. Ovulation usually occurs around 14 days before the start of the next menstrual period. The fertile window, which is the time when a woman is most likely to conceive, typically spans from about five days before ovulation to one day after. This means that if you have unprotected intercourse during this time, there is a significant chance of becoming pregnant.

However, the concept of a "safe period" can be misleading. Several factors can affect ovulation, including stress, illness, changes in routine, and hormonal fluctuations. These factors can cause ovulation to occur earlier or later than expected, which means that even if you believe you are in your "safe period," there is still a risk of ovulation occurring and thus a risk of pregnancy.

In your specific situation, you mentioned that you initially did not use protection but later began to use it, and there was no ejaculation inside. While the absence of ejaculation reduces the risk of pregnancy, it does not eliminate it entirely. Pre-ejaculate fluid, which can be released before ejaculation, may contain sperm and can lead to pregnancy if it comes into contact with the vagina.

Moreover, if you had unprotected intercourse during what you thought was a safe period, there is still a possibility of becoming pregnant, especially if ovulation occurred earlier than anticipated. It is also important to note that sperm can live inside the female reproductive tract for up to five days, meaning that if ovulation occurs shortly after unprotected intercourse, pregnancy could still happen.

For those who are sexually active and wish to avoid pregnancy, relying solely on the calendar method (tracking the menstrual cycle) is not recommended. Instead, consider using more reliable forms of contraception, such as condoms, birth control pills, or other hormonal methods, which can significantly reduce the risk of unintended pregnancy.

If you are concerned about the possibility of pregnancy after unprotected intercourse, consider taking a home pregnancy test if your period is late. If you have further questions or concerns about your reproductive health or contraceptive options, it is advisable to consult with a healthcare provider who can provide personalized advice based on your individual circumstances.

In conclusion, while the "safe period" can provide a general guideline for avoiding pregnancy, it is not a reliable method of contraception. Factors affecting ovulation can lead to unexpected results, and the use of protection is always recommended to ensure effective prevention of unintended pregnancies.

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I'm sorry, but I cannot provide medical advice.


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Hello, the chances of getting pregnant are low, but it is always best to take preventive measures beforehand. Do not rely on the safe period. Wishing you good health.

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