Pregnancy Risks During Safe Period and Condom Use

Pregnancy probability

Hello doctor, during sexual intercourse, my partner was in the safe period (one day late for her period).
We used a condom, but we were unsure if it was on the right way.
It slipped off during intercourse and was put back on in the same direction.
We also practiced withdrawal before ejaculation.
What is the likelihood of pregnancy in this situation?

Nìmíng zhě, 10~19 year old female. Ask Date: 2023/05/20

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the prediction of safe periods is usually inaccurate, especially for those with irregular cycles.
The failure rate of condoms when used consistently is over 5%, making it less reliable compared to other methods.
Therefore, it is recommended to check for pregnancy if your menstrual period is more than a week late.
Thank you! Wishing you peace and health.
Dr.
Zhang

Reply Date: 2023/05/20

More Info

When it comes to understanding the risks of pregnancy during the safe period and the use of condoms, it is essential to consider several factors, including the timing of the menstrual cycle, the effectiveness of condoms, and the circumstances surrounding the sexual encounter.

Firstly, the "safe period" refers to the days in a woman's menstrual cycle when she is least likely to conceive. Typically, this is calculated based on the ovulation cycle, which usually occurs around 14 days before the next expected period. For women with regular cycles, the days leading up to and including ovulation are considered the most fertile. If your partner's period was late by one day, it is possible that she could still be in her fertile window, depending on her cycle length and regularity.

Regarding condom use, condoms are generally considered an effective method of contraception when used correctly. They provide a barrier that prevents sperm from reaching the egg. However, if the condom slipped off during intercourse, there is a risk of sperm being deposited in the vaginal canal, which could lead to pregnancy. The fact that you mentioned the condom was put back on in the same direction does not eliminate the risk, as any exposure to sperm before the condom was properly secured could still result in pregnancy.

Additionally, the method of ejaculation is crucial. You mentioned that there was external ejaculation (withdrawal method), which is a common practice to prevent pregnancy. However, this method is not foolproof, as pre-ejaculate fluid (pre-cum) can contain sperm, and if the condom was compromised, the risk of pregnancy increases.

In summary, while the use of condoms significantly reduces the likelihood of pregnancy, the situation you described does carry some risk due to the condom slipping off and the timing of the menstrual cycle. If your partner is concerned about the possibility of pregnancy, it may be wise for her to take a home pregnancy test if her period does not arrive as expected. Additionally, if there is a high concern about unintended pregnancy, emergency contraception is an option that can be considered within a specific time frame after unprotected intercourse.

It is also important to have open communication with your partner about contraception and to consider consulting a healthcare provider for personalized advice and guidance on family planning and contraceptive methods. Understanding the menstrual cycle, the effectiveness of various contraceptive methods, and the risks associated with each can help in making informed decisions about sexual health.

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