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To put it simply: if women's menstruation comes on the 1st, then the 1st-10th, 20th-30th are the so-called safe periods, and the ovulation period is the 15th, but they are pushed for 5 days each for more safety. However, it is not absolutely accurate and varies from individual to individual.
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With the exception of the menstrual cycle and ovulation, the period is the safe period. Theoretically, the two days before and after menstruation are absolutely safe periods, but in fact there is no absolute safe period.
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Categories: Annoyances >> Gender Issues.
Problem description: I used to see in books that the so-called safe period said: "the first seven days and the last eight" menstrual period is the first seven days and the last eight days, and the lead rock of the "first five and ten later" is true?
Analysis: The safe period is for women's menstruation.
After female sexual maturity, under the action of the hypothalamus, pituitary gland, and ovarian axis, endocrine periodic changes occur, and the endometrium also changes periodically with estrogen and progesterone in the body, showing proliferative periods, secretory periods, and periods.
Changes in the menstrual period, during the menstrual period, the endometrium exfoliates and bleeds, and menstruation comes and goes, lasting 5-7 days, followed by the child.
Endometrial wound repair, bleeding stopped.
Generally speaking, if menstruation comes on the 1st, then, 1-10, 20-30 is the so-called safe period, and the ovulation period is the day of the 15th, but it is more safe for Huai Laoyu to push 5 days each. However, it is not absolutely accurate and varies from individual to individual. And so on.
And your so-called first seven and last eight and so on are also calculated in this way. The estimation is based on the date of a woman's menstruation.
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Depending on how many days the cycle is, let's say that every month comes on the 1st and ovulation is on the 17th and 18th. Ovulation is on the 14th day before the next menstrual period. Not from the day of menstruation.
5 to 4 days before ovulation is the dangerous period, and the rest of the time is safe. The safe period is divided into a relatively safe period and an absolute safe period, and there is still a possibility of pregnancy during the relative safe period, but it is relatively low.
The safe period is the first seven and the last eight, starting from the first day of menstruation. It is suitable for regular cycles and is more than 28 days. Short (<28 days) cycles with clean menstruation go straight into the danger period. The first seven should be pushed with the longest cycle.
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The first three days after the first 4 days of menstruation There is no absolute safety for contraception, only relative safety.
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There's no such thing as absolute safety, it's safe to do it only if you don't do it or if you get married, but if you don't do it now, you may get pregnant, for example, if you get pregnant in a swimming pool.
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Traditionally, seven days before menstruation and eight days after menstruation are safe periods for adult women, and are a calculation method used by most people for contraception. But there are still two tiers of chances of getting pregnant!
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What exactly is the safe period? **The doctor teaches you how to calculate, hurry up and learn it.
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.
The safe period is relative, it is within 1-10 days after menstruation, and it is 1-12 days written in the book, so it is two days less for safety. It is only relative to the safe period from 22 days after menstruation to the day before menstruation.
The safe period is further divided into the pre-ovulation safe period and the post-ovulation safe period. The period from the day of menstruation to the day before the start of ovulation is the safe period before ovulation. The safe period after ovulation is from the first day after ovulation ends to the day before the next menstrual period. >>>More
Each menstrual cycle of a woman is divided into menstrual periods, ovulation periods, and safe periods. Did you know that the days before and after menstruation are safe periods? How is the safe period for women calculated? >>>More
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