How to calculate a woman’s menstrual cycle

　　The first day of bleeding is the beginning of the menstrual cycle, and the time between the first days of two menstrual periods is called the menstrual cycle. Therefore, the calculation of the menstrual cycle should include the time of menstrual cramps. some female Only counting the time when menstruation is clean, it may be considered that the menstrual cycle has been shortened. clinical Some women often complain that their menstruation is abnormal and they have menstrual cramps twice a month. In fact, if you calculate carefully, it is normal to have menstrual cramps once at the beginning of the month and once at the end of the month. The normal menstrual cycle is 28-35 days, and the length of the cycle can vary from person to person. 7-10 days early or late can be considered a normal range. As long as a certain regularity can be maintained, it cannot be considered a menstrual cycle. Irregular menstruation。

　　The last menstrual period refers to the most recent menstrual period from the date of diagnosis, and should be calculated from the first day of bleeding. However, it should be noted that the last menstrual period refers to the duration and amount of menstruation as usual. Do not mistake abnormal vaginal bleeding for menstruation. This type of bleeding is usually less than menstrual bleeding, may be shorter or longer, or may lose the regular pattern of menstrual cramps.

　　The duration of menstrual cramps is generally 3-7 days, and the bleeding volume is within 100 ml, with the largest amount occurring on days 2-3. Menstrual blood is generally dark red and does not coagulate. In addition to blood, it also contains Uterus Endometrial debris, cervical mucus and vaginal epithelial cells. Generally, women have no symptoms during menstrual period. A few people may have a sinking feeling in the lower abdomen or lumbosacral area, or breast pain. distended pain、constipate or diarrhea , headaches and other discomforts generally do not affect daily work, study and life.