Regular menstruation generally refers to menstruation, which mainly refers to the cyclical shedding and bleeding of the uterine lining.
Menstruation is mainly the cyclic shedding and bleeding of the endometrium that occurs with the cyclic changes of the ovaries. Generally regular menstruation is also an important sign of the maturity of the reproductive function and a normal physiological phenomenon for women in their reproductive years. Usually the interval between the first day of two menstrual periods is called the menstrual cycle, and the normal menstrual cycle is in 21-35 days, the average is 28 days, and the duration of each menstrual period is usually 2-8 days.
At the same time, the total amount of blood loss during menstruation is called the menstrual flow, and the normal menstrual flow is 20-60ml, if it exceeds 80ml, it is considered to be excessive menstruation, while lower than the normal menstrual flow, it is considered to be hypomenorrhea. Due to the effect of prostaglandins and pelvic congestion during menstruation, women often experience a feeling of falling in the lumbosacral area during menstruation, and some patients may also experience uterine contraction pain.
Girls are advised to learn about menstruation carefully so as to avoid bad moods during menstruation.