What are the safe periods for girls?

In medicine, the 5 days before and 4 days after ovulation, together with the 10 days within the ovulation period, are classified as the female ovulation and pregnancy period. The safe period method refers to a contraceptive measure in which a couple has sex during the non-ovulatory period to avoid the risk of unplanned pregnancy. The key to this method is to accurately identify the ovulation period. So when are the safe menstrual periods for women?

What are the safe menstrual periods for women?

The safe menstrual period refers to the 1st to 7th day of the menstrual cycle, and the last 4-5 days of the cycle. During this period, ovulation has not occurred or the egg has died, so even if there is a change in the time of ovulation, it is still a relatively safe period. From the perspective of contraceptive measures, they divide a physiological cycle into three time periods: the absolutely safe period, the safe menstrual period and the dangerous period of pregnancy.

Assuming a menstrual cycle (from the first day of almost menstruation to the first day of the next menstruation) is 28 days, the ovulation period is around the 14th day. The 3-5 days before and after the ovulation period is the fertile period, which is the dangerous period for pregnancy with regard to contraceptive measures; days 1-7 and the last 4-5 days of the cycle are the period when ovulation did not occur or the egg died, which is a relatively safe period; the rest of the day is a relatively safe period, because the ovulation period may be advanced or delayed by many factors for a few days, so it is called a relatively safe period.

Can you get pregnant if you have sex during the safe menstrual period?

If you have sex during the absolutely safe period, it is almost impossible to get pregnant, unless there is an extremely special situation that there are 2 or more ovulation periods in one cycle; and if you have sex during the relatively safe menstrual period, the probability of accidentally getting pregnant is higher. Many people believe that safe period contraception will not affect the pleasure of sexual life and is very convenient. Therefore, many young women are keen to use this contraceptive method. Many pregnant women who have just given birth also use contraceptive measures by calculating the safe menstruation period.

From a theoretical point of view, based on the female ovulation period and the survival time of sperm and eggs in the female reproductive system, calculating the period of time when no pregnancy occurs and then having AA can indeed achieve the purpose of contraception. Generally speaking, except for the ovulation period, the rest of the women's menstrual cycle is called the safe menstrual period. However, women's ovulation is affected by many factors such as the external environment, climate, one's own mood, as well as physical and mental state, and may be advanced or delayed for a few days. Therefore, the safe menstruation period is divided into a certain period and a relative period.

The time interval between a woman's ovulation day and the start of the next menstrual period is relatively fixed, usually about 14 days. According to this relationship, generally from the first day of the next menarche, 14 days forward is the ovulation period, the ovulation period as well as the first 5 days and the last 4 days are called the ovulation period, and the rest of the day is the relatively safe menstrual period.

The absolutely safe period refers to the 3 days before and after the menstrual period (assuming it is 3 days), and the closer the distance to the menstrual period, the safer it is.

Normal women of childbearing age have menarche once a month. The period from the first menstruation to the first day of the next menstruation is called a physiological cycle. Ovulation usually occurs about 14 days before the next menstrual period. The released egg can survive for about 24 hours. If it cannot be fertilized, it will then degenerate and be absorbed by the body.

After male sperm enters the female reproductive system, it can maintain its fertilization ability for 1 to 3 days. Therefore, only when a woman has sex with a man 3 days before and 1 day after the woman's ovulation period is it very likely that she will become pregnant. If, when the sperm and egg meet, neither side has lost the ability to fertilize, pregnancy is impossible.