How many days did you have your first menstrual period?

What is considered a normal menstrual period? Because menstruation may be affected by various internal and external factors, it is not static. As long as the range of changes is within a certain degree, it is considered normal menstruation. A normal menstrual period should have the following characteristics:

(1) Menstrual cycle Most women have a menstrual cycle of 28-30 days. About 20% of women have a longer or shorter menstrual cycle. As long as it is within 20-36 days, it is clinically normal. Even if some people's cycle is consistently 40 days or longer, their physiology and reproductive functions are not affected and can still be considered normal.

(2) Menstrual period usually lasts 3-7 days. The amount of blood loss during each menstrual period is 30-80ml. Most people change sanitary napkins 3-5 times a day during their period.

(3) Characteristics of menstruation Menstruation is no different from blood in the human body, but when it is discharged, it is contaminated with uterine wall debris and mucus, so it is dark red, relatively thick, and not easy to coagulate.

(4) As the disease progresses, the following reactions may occur due to the fluctuation of hormones in the body, changes in blood vessel support and pelvic organ hemorrhage:

1) Changes in spirit and mentality, such as restlessness, excitement, headache, etc.;

2) There may be mild swelling and dull pain in the breasts;

3) Mild low back pain, lower abdominal distension or a feeling of heaviness.