The eggs survive for days.

Under normal circumstances, women with regular menstruation, ovulation period is about 14 days before the next menstrual cramps, eggs can generally survive in the body for 24 hours after discharge, up to 48 hours, sperm survival time in the body is five to seven days, so, five to seven days before ovulation and two days after ovulation, are the most likely to be pregnant period, if there are pregnant mothers, at this time can be in the same room, increase the chances of conception. There are many other ways to monitor ovulation: first, you can see the leucorrhea during ovulation. If the leucorrhea is clear, stringy, like egg white, this proves that ovulation is approaching. Second, you can use ovulation test paper to detect ovulation. Third, B ultrasound to monitor ovulation. Fourth, basal body temperature to monitor. These are some of the methods that can be used to monitor ovulation.