Aunt just passed. Is it safe?

For women with regular menstruation, the four days after the end of menstruation are generally safe. As long as the menstrual bleeding time does not exceed seven days, there is a certain safe period. However, if the menstrual cycle is irregular, there is no so-called safe period, because female ovulation will be affected by emotions, diet and drugs, causing ovulation time to advance or delay, so it is easy for women to show the possibility of unintended pregnancy. It is recommended that women use safe methods of contraception, such as condoms. The correct use of condoms throughout, the effective rate can reach 99.9%. Condoms can make sperm and eggs physically isolated, effective contraceptive rate is very high.