Whether it is easy to get pregnant on the 5th day after menstruation is based on the patient’s menstrual cycle. Generally speaking, women who have a regular menstrual cycle of 28-30 days, with a period lasting about 7 days, the 5th day after the menstrual period is within the range of the ovulation period, and intercourse at this time is more likely to get pregnant compared to other times. However, if a woman’s menstrual cycle lasts 35 days, the 5th day after her period is the safe period, and the likelihood of pregnancy is lower than at other times. However, the ovulation period can also be affected by environmental factors, emotional factors and other factors, leading to the phenomenon of early and late ovulation, so no matter what period of intercourse, can lead to the possibility of pregnancy. For women who do not want to have children, no matter when they have intercourse should pay attention to good contraceptive measures to avoid unwanted pregnancy.