Calculation method of ovulation day
In a menstrual cycle, women usually ovulate only once, and this ovulation day is usually the 14 day before the next menstrual cramp.
The difference between ovulation day and critical period
Ovulation day and critical period are not the same. Ovulation day and a few days before and after it are the most fertile period for women, with a total of * * * about 10 days.
Time limit for sperm and eggs to meet
Sperm can survive in the cervical canal for 5-7 days, but the fertilization time limit after ovum expulsion is only 6-24 hours. Therefore, it is very important to know and master this key 10 day in order to increase the chances of conception.