How to calculate the safe period of pregnancy Three major methods to calculate the safe period

　　Speaking of the safe period, women must have heard of it, but few people know much about it. actually safe period It is divided into absolute safe period and relative safe period. If you want to get pregnant in time, you must avoid the safe period. So how to calculate the safe period of pregnancy? Can women get pregnant during the safe period? Next, I will introduce them one by one for your reference.

　　How to calculate the safe period of pregnancy?

　　The safe period is generally within 1 to 2 days after menstruation and within 3 to 4 days before the next menstrual period. The other times are dangerous periods. Women with regular menstrual cycles ovulate around the 14th day before the next menstrual period. During the first 5 days and the last 4 days of the 14th day, the chance of pregnancy is relatively high. In addition, if you want to calculate the safe period accurately, you may wish to use several methods. You may wish to try the methods of calculating the safe period introduced below:

　　1. Calendar regularity method

　　There is also the need to calculate the safe period based on Japanese legislation. The calculation method is, the number of days in the menstrual cycle - 21 = the last day of the safe period after menopause to before ovulation. If the shortest menstrual cycle in your record is 32 days, you should stop having sex on the 11th day after the start of menstruation, because conception may occur on the 12th day.

　　2. Basal body temperature method

　　The so-called basic body temperature refers to the body temperature measured before a person wakes up after a long sleep and does not perform any activities. Under normal circumstances, a woman's basal body temperature is low before ovulation and increases after ovulation. This body temperature curve, which is low at first and then high at the end, is called a biphasic body temperature curve, which indicates that the ovary is ovulating. The basal body temperature chart can be used to find out the safe period after ovulation.

　　3. Observation method for changes in vaginal secretions

　　Women's vaginal secretions change regularly with different periods of the menstrual cycle. During ovulation, there is more and more mucus, there is a moist feeling in the vagina, the mucus becomes clear, and the mucus can be stringy, up to 10 cm long. The last day this mucus lasts is usually the period of ovulation. No sexual intercourse 3 to 4 days before and 5 to 7 days after.

　　Can women get pregnant during the safe period?

　　Can women get pregnant during the safe period? Pregnancy may occur during the safe period. According to relevant data, even under the most ideal conditions, contraception during the safe period cannot be 100% "safe", and the minimum failure rate of contraception during the safe period is 5%.

　　Traditionally, 5 days before menstruation and 6 days after menstruation are the safe periods for adult women, which is a calculation method used by most people for contraception. However, the safe period is not absolutely safe. Sometimes women will ovulate early or delayed, and the judgment of the safe period will become invalid.

　　If you want to calculate the safe period accurately, women with accurate menstrual cycles can use the following method to calculate the safe period:

　　The ovulation period (also a dangerous period) is around the fourteenth day from your next menstrual period. For example, if your period is on February 24, then your dangerous period is 14 days back, which is around February 10th. However, many women’s ovulation period will be delayed or advanced, not necessarily 14 days in advance. For the sake of safety, generally we regard the first ten days and the last ten days of menstruation as the safe period, and the middle ten days as the dangerous period.

　　Is it safe for women to have a safe period? ? Many people believe that the safe period contraceptive method can prevent most unwanted pregnancies, but now a new study has forced them to seriously change their views. The safe period is actually not safe. Therefore, the editor reminds women that if they do not want accidents, it is best not to use the safe period contraceptive method.