The chances of getting pregnant are higher when you have intercourse the day before ovulation, because ovulation is the most fertile stage and the sperms have a period of vitality after entering the body, so if it happens to coincide with ovulation, the combination of sperms and eggs will lead to pregnancy. The three days before and after ovulation are usually the most fertile phase, so it is an easy period. If you have sex at this stage, you must pay attention to the situation of menstruation, after pregnancy, there will be symptoms of menopause, so if the month of coitus did not come, menstruation delayed, you need to go to the hospital in time to do a checkup. For women who do not have reproductive requirements, it is recommended to do a good job of contraception, especially in the ovulation period to pay more attention.