What is the calculation principle of female safety period. The ovulation date of women at this time is generally about two weeks before the tide when the next month * comes. From the first day of the coming tide of the next month, the last fourteen days, or minus two weeks, is the female ovulation day. Let's go to see what time is the ovulation period.
When is the ovulation period coming? In fact, women's ovulation days are the first five days and the last four days, that is, the day of ovulation. In addition to the monthly period, there is also the ovulation period, and other times are safety periods. This is the knowledge of what time is ovulation, we must understand.
As the pace of modern life continues to accelerate, women are increasingly affected by the real environment. In addition, women's mood, diet, lifestyle and so on all affect women's ovulation. When a woman with regular life rhythm suddenly changes her life rhythm, her menstrual period may be advanced or postponed, and the length of ovulation period will fluctuate with the change of menstrual period. Therefore, the ovulation period of 10 days is a general statement, but in fact, women's ovulation time is generally less than 10 days.
Since the ovulation period is not necessarily fixed for ten days, how long is the effective pregnancy time during the ovulation period? Generally speaking, the survival time of an egg of a normal woman is about 2 days, from 3 days to less than 12 hours. The survival time of a man's sperm in a woman's body is generally 3 to 5 days, usually 4 days.
When is the ovulation period? In fact, the effective pregnancy time of women in the ovulation period is five days before ovulation, because sperm can survive in women for about five days at this time, and two days after ovulation, because after ovulation, eggs can only survive in women for about two days, that is, the effective pregnancy time is seven days.
