Women have their period once every month. A woman releases an egg every month, which means she has a golden period of fertility every month. But some women do not want to get pregnant, so they call the ovulation period a dangerous period and the period when they are unable to conceive a safe period. So how to calculate the safe period of menstruation?

Nowadays, many young people use the method of calculating the safe period as a method of contraception. The calculation of the safe period has also become a topic of great concern. So how to calculate the safe period of a woman?

A woman’s safe period corresponds to her fertile period. We all know that the first step in conception is the union of sperm and egg to form a fertilized egg.

A woman's safety period can be divided into a woman's safety period before ovulation and a woman's safety period after ovulation. The period between the time when menstruation is clear and the day before ovulation begins is the safe period for women before ovulation. The day after ovulation from the first day to the day before the next menstrual cramps is called a woman's safety period after ovulation.

Accurately calculate the ovulation date, and then use this day as the center to extrapolate 3 days before and after. These 7 days are considered the dangerous period of contraception, and the time outside the dangerous period is called the safe period.

To be on the safe side, some people add 5 days before ovulation and 4 days after ovulation, adding up to a total of 10 days, called the danger period. This is a contradiction. If the danger period is lengthened, the degree of insurance is improved, but the remaining safety period is It has become shorter. Taking into account safety and practicality, it is generally sufficient to set the danger period to 7 days.

The short month will decrease by 17, and the long month will decrease by 11. The days in between are the dangerous period.

If a person's menstrual cycle has been short in recent years, it has been twenty-eight days, and it can reach thirty-one days in the long term. Therefore, the dangerous period for this person is from the eleventh day to the twentieth day and the tenth day of the cycle. Both before and after 21 days are safe periods.

For some women, changes in the environment and emotional fluctuations can cause ovulation to advance, so the safe period for women before ovulation will be reduced accordingly. If you have irregular menstruation, it is risky to use the safe period for contraception. Therefore, the editor still recommends that young people take safety measures if they are not ready to have children!

1. Calendar method

If the menstrual cycle has always been standard, ovulation will occur on the fourteenth day after the onset of menstruation. After the egg cell is released, it can survive for about two to five days, and the sperm can survive for one to three days after entering the woman's reproductive tract. Therefore, during Pregnancy can be avoided by abstaining from sexual intercourse three to four days before ovulation and five to seven days after ovulation.

2. Basal body temperature method

Basal body temperature refers to the body temperature of healthy people after waking up in the morning. It is generally the lowest body temperature of the day. For women of normal childbearing age, their body temperature rises immediately after ovulation and continues until the beginning of the next menstrual cycle. Use the pattern of changes in a woman's basal body temperature to find her ovulation period, and abstain from sex for three to four days before and five to seven days after.