Women who still have a few days of menstruation will not get pregnant if they do not use contraception, but a very small number of women will have an accidental pregnancy because they still have a few days of menstruation, which is a safe period, and the chances of getting pregnant are particularly low due to the fact that they are not ovulating. A very small number of women will stimulate the ovaries when having sex during the safe period, resulting in immediate ovulation, without contraception, there will be an unwanted pregnancy, for women who do not have reproductive requirements, even if there are still a few days of menstruation, intercourse should take contraceptive measures to prevent pregnancy. No one can guarantee that you will not get pregnant 100% of the time when you have intercourse during the safe period. It is recommended that you take appropriate contraceptive measures, such as having the man wear a condom or taking emergency contraceptive pills after intercourse.