In order to avoid damage to the female body, it is generally recommended to have intercourse 2 to 3 days after the end of menstruation. During menstruation, the hormonal changes in a woman’s body are greater, the body is weaker, during this period is not allowed to have sex, it is easy to induce infection and cause other gynecological diseases. The lining of the uterus has not fully recovered after menstruation, so having intercourse at this time may cause the lining of the uterus to shed again or cause infection. To ensure good health, it is recommended to have intercourse 2~3 days after menstruation. For women who do not need to have children for the time being, it is recommended that they take proper contraceptive measures in order to avoid unplanned pregnancies and adverse consequences.