It’s not always safe to go three days after your period, so we recommend taking safe and effective contraceptive measures. Sperm can survive in the female vagina for 2 to 3 days after intercourse three days after menstruation, and ovulation may occur during this period, so three days after menstruation is not absolutely safe, there is still a possibility of pregnancy. For women who do not want to have children, they can choose safe and effective contraceptive measures under the guidance of a doctor, such as placing an intrauterine device, taking short-acting contraceptive pills and so on. Menstruation should also pay attention to appropriate rest, pay attention to personal hygiene, keep the vulva clean and dry. Prohibit coitus and related gynecological surgery and treatment. It is also important to strengthen the awareness of contraception to avoid unwanted pregnancies, so as to minimize the risk of repeated abortions and the damage to women’s bodies.