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Women are generally 28-30 days for a normal cycle. It is divided into 4 periods. Each period lasts for 7 days.
That is, the menstrual period is 7 days and the safe period is 7 days. The danger period is 7 days and the safety period is 7 days. Remember this and you're 95% sure.
You won't run a red light.
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This is calculated according to the woman's menstrual period, and the time is different depending on the individual situation. It is calculated like this: the first day of a woman's next menstrual period is pushed forward by 14 days, that is, the ovulation day, the total number of days before the first 4 days and the last 5 days after the ovulation day (including the ovulation day) is the ovulation period, that is, the dangerous period, and the rest of the time is the safe period except the menstrual period.
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The first 3 days of menstruation and the last 7 days are ovulation periods, and the rest are safe periods.
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For women with regular menstruation, the first 5 and the last 5 are the safest, and generally speaking, there will not be too many problems. But I know that there is another kind of woman who is not a safe period every day, they do not have a safe period. One way to know the safe period is to look at the amount of vaginal discharge to determine whether it is a safe period.
The safest thing is to take good measures!
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A woman's safe period is that she will not get pregnant during the first seven days and eight days after menstruation.
The female safe period refers to the period when it is not easy to conceive, women with normal menstrual cycles, except for the menstrual period and ovulation period, which is applied to more than 80% of women with a menstrual cycle of 26-32 days, and may conceive on the 8th-19th day of the menstrual cycle, and the possibility of conception at other times is not large, that is, the safe period.
Postpartum women can use this method normally after 4 normal menstrual cycles, provided that most menstrual periods are still 26-32 days.
Basal body temperature is a unique physiological indicator of women's menstrual cycle, every day after waking up in the morning after measuring the oral temperature and recording Qi Zilu, through the continuous recording of the basal body temperature curve can be seen after ovulation body temperature rise, usually, the basal body temperature rises after three days and nights for the infertility period, this method can be more accurate to indicate the safe period after ovulation to the next menstrual cramp.
Contraceptive principle:
The use of safe period contraception is usually used for women with regular menstrual cycles, the key to contraception is to determine the date of ovulation of women, the ovulation day is usually 14 days before the next menstrual period, 5 days before the ovulation day and 4 days after the period of ovulation is the ovulation period, the ovulation period is easy to conceive, the safe period is not easy to conceive, through the above methods to monitor the whole period of Anwu Zai, so as to achieve the purpose of contraception.
The above content reference: Encyclopedia - Female Safe Period.
It is the 7th day before menstruation to the 8th day after menstruation.
The method of contraception is frequent, and safe contraception is also one of the favorite contraceptive methods, but I don't know that many girls will ignore some small key points when doing this contraceptive measure. >>>More
Hello! The safe period is more accurate for women with regular menstruation, if menstruation is more regular, then, the fourteenth day before the next menstrual cramp is usually called ovulation day, plus the first five days and the last four days, a total of 10 days is called an ovulation period, that is, the danger period, in this time period is very likely to get pregnant. >>>More
The so-called safe period is 14 days before the day of your period, for example, if you come on the 30th, then push forward 14 days from the 30th, that is, the first few days before the 16th is your safe period.
A woman's ovulation date is generally about 14 days before her next menstrual period. Counting from the first day of the next menstrual period, the 14 days backward or subtracting 14 days is the ovulation day, and the ovulation day and the first 5 days and the next 4 days together are called ovulation. For example, if a woman's menstrual cycle is 28 days, and the first day of this menstrual period is on December 2, then the next menstrual period will be on December 30 (December 2 plus 28 days), and then subtract 14 days from December 30, then December 16 is the day of ovulation. >>>More