How is the safe period for girls calculated?

In our current daily life, many women do not calculate their safe period, and do not take corresponding measures for contraception. This can easily lead to an unexpected pregnancy. For women, learning to calculate their safe period and paying more attention can avoid unexpected pregnancy. Let's take a look at how the safe period for girls is calculated?

A woman's ovulation date is generally about 14 days before the next menstrual period. After the egg is released from the ovary, it can survive in the fallopian tube for 1-2 days, waiting for fertilization; the male's sperm can maintain its fertilization ability in the female's reproductive tract for 2-3 days, so it is easy to get pregnant through sexual intercourse a few days before and after the egg is released. To be on the safe side, we call the 5 days before and 4 days after ovulation, together with the ovulation day, a total of 10 days, the ovulation period. Because it is easy to get pregnant through sexual intercourse during the ovulation period, the ovulation period is also called the fertile period or the dangerous period.

The period from the end of menstruation to the day before ovulation is the safe period before ovulation. From the first day after the end of ovulation to the day before the next menstrual cramps is the safe period after ovulation. The safe period after ovulation is safer than the safe period before ovulation. This is because some women sometimes affected by environmental changes and mood swings affect the advance of the ovulation, so before the safe period ovulation will be shortened, but did not know their own, so before the safety period ovulation is not safe. The chance of the ovaries releasing eggs twice in a menstrual cycle is extremely rare, that is, a second ovulation generally does not occur during the period from ovulation to the next menstrual period.

After reading the above introduction, I believe everyone has a certain understanding of how to calculate the safe period for girls. The safe period mentioned here is mainly a relative concept, that is to say, it is only relatively safe, not absolutely safe. This is also something that we need to remind the majority of women to pay attention to.