Do you know how many days are normal in menstrual cycle?

The menstrual cycle is a problem that every woman will encounter. The normal menstrual cycle is one month, which is about 30 days, but some people may have their period a week earlier or later, which is normal.

Menstrual cycle

A woman's menstrual cycle begins on the first day of menstruation and ends on the next menstruation. The length of the cycle varies from person to person, ranging from about 21-36 days, with an average of about 28 days. The duration of menstruation is generally 3-7 days, with an average of 5 days. The menstrual cycle is divided into the follicular phase before ovulation and the luteal phase after ovulation based on the day of ovulation. The length of the follicular phase is not fixed, but the luteal phase is fixed at about 14 days, plus or minus two days.

Normal menstrual cycle

1. The first menstrual period is called menarche. Most menarches occur between the ages of 13 and 15, but may occur as early as 11 to 12 years old or as late as 17 to 18 years old.

8 years old. The age of menarche in different regions of my country is not much different, but those who are weak or malnourished may have a later menarche, while those who are strong and well-nourished may have an earlier menarche.

2. The first day of bleeding is called the beginning of the menstrual cycle, and the interval between the first days of two menstrual periods is called a menstrual cycle, which is generally 28 to 30 days. About 7 days earlier or later is still within the normal range, and the length of the cycle varies from person to person.

3. Normal menstruation lasts for 2 to 7 days, with an average of about 5 days. The amount of menstrual flow is difficult to calculate. In clinical practice, a rough estimate of the amount is often made by changing menstrual pads every day. Some people have measured that the normal amount of menstrual blood is about

10～58ml, some women's menstrual volume can exceed 100ml. Some people believe that monthly blood loss of more than 80 ml is a pathological condition. Generally, the heaviest bleeding occurs on the 2nd to 3rd day of menstruation.

4. Menstrual blood is generally dark red. In addition to blood, it also contains endometrial fragments, cervical mucus and vaginal epithelial cells. The main characteristic of menstrual blood is that it does not coagulate, but under normal circumstances there are occasionally some small clots.