Can you have sex before menstruation?

Apr 19, 2023 Source: Cainiu Health
Dr. Lv Aiming
Introduction
It is generally safe to have intercourse before menstruation. During the menstrual period, the cervical os is open, and intercourse may allow bacteria to ascend and cause infection. However, before menstruation, the cervical os is closed and there is no vaginal bleeding; thus, intercourse usually does not enable bacteria to invade through the vagina and cause ascending infections or gynecological diseases. It also typically does not affect the timing of menstruation, causing it to come earlier or later. Therefore, intercourse is permissible before menstruation.

Prior to menstruation, it is generally safe to have sexual intercourse, which usually does not negatively affect the body. The specific analysis is as follows:

During menstruation, the cervix is normally open, and sexual intercourse may allow bacteria to travel upward, potentially causing infection. However, before menstruation begins, the cervix remains closed and there is no vaginal bleeding. Therefore, having sex at this time typically does not enable bacteria to enter through the vagina and cause gynecological infections via ascending spread. Additionally, intercourse before menstruation generally does not cause the period to start earlier or later. Thus, sexual activity is acceptable during this phase, but personal hygiene should be carefully maintained.

If pregnancy is not desired, it is advisable to use effective contraception during intercourse before menstruation to prevent unintended pregnancy.


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