When adult men and women have sex, they should consider whether they are ready to have children. If they don't want to get pregnant, they should know and take contraceptive measures in advance, so as not to bring trouble to both men and women and even their families because of unexpected pregnancy. Safe period contraception is a simple method of contraception. Do you know how to calculate the safe period of women?
What are the safety periods for women? The safety period needs to be calculated in this way
Women's ovulation period is generally about 14 days before the next menstruation. For the sake of safety, we call the first 5 days and 4 days of ovulation ovulation, including the first 10 days of ovulation, ovulation. In addition to the menstrual period, the rest of the time known as the safety period. Safety period is divided into pre ovulation safety period and post ovulation safety period. The safety period before ovulation is from the day when menstruation is clean to the day before ovulation begins. From the first day after ovulation to the day before the next menstrual cycle is the safe period after ovulation. The safety period after ovulation is safer than that before ovulation.
A few days before menstruation and a few days after menstruation are safe periods
Safety period is divided into pre ovulation safety period and post ovulation safety period. The safety period before ovulation is from the day when menstruation is clean to the day before ovulation begins. From the first day after ovulation to the day before the next menstrual cycle is the safe period after ovulation. The safety period after ovulation is safer than that before ovulation. This is because some women are sometimes affected by environmental changes and emotional fluctuations, early ovulation, thus shortening the safety period before ovulation. 'top seven, bottom eight 'is a calculation used by many people to prevent pregnancy. But the safety period is not always safe. Sometimes women ovulate earlier, or later, the safety period is invalid.
How to calculate women's safety period
Women's ovulation period is generally about 14 days before the next menstruation. After the egg is discharged from the ovary, it can live in the fallopian tube for 1-2 days, waiting for fertilization. Male sperm can stay active in the female reproductive tract for 2-3 days, so when the egg is released in the first and second days, it is easy to get pregnant. For the sake of safety, we call the first 5 days and the last 4 days of ovulation period, together with the ovulation period within 10 days as ovulation period. Because in ovulation * * easy pregnancy, so ovulation is also called easy pregnancy or risk period.
Safety period is divided into pre ovulation safety period and post ovulation safety period. The safety period before ovulation is from the day when menstruation is clean to the day before ovulation begins. From the first day after ovulation to the day before the next menstrual cycle is the safe period after ovulation. Generally speaking, the safety period after ovulation is safer than that before ovulation. This is because some women are affected by environmental changes and emotional fluctuations, sometimes the ovulation period will be advanced, so the safe period of ovulation will be shortened, and they do not know that the safe period of ovulation is not very safe before menstruation. Ovarian in the menstrual cycle in two times the chance to save the egg is very few, that is, before the next menstrual period, that is, after ovulation, generally do not produce a second ovulation, so the safety period after ovulation is relatively safe.