After the egg is discharged, if there is no fertilization, the survival time is about 24 hours, and the sperm survival time is relatively long, generally 2-3 days of time, it is recommended that if you plan to get pregnant, you must calculate the time of ovulation, before and after the time of ovulation or the day of ovulation, the chances of getting pregnant will increase, and if you miss the 24-hour period, the egg is already dead, and clinically it will not be pregnant. The first thing you need to do is to calculate the time of ovulation is very important, and it is also very important to arrange a reasonable sex life during the ovulation period. It is recommended that after the same room, you lie on the bed and rest for an hour before moving, or just go to sleep, so that you can increase the chances of getting pregnant.