Characteristics and health management of normal menstruation

First paragraph: content overview
Normal menstruation is one of the signs of female reproductive health, usually characterized by regular menstruation, moderate menstrual flow, bright red or dark red color, and a duration of 3-7 days.The main content includes the menstrual cycle (21-35 days is the normal range), menstrual blood volume (20-80 ml), accompanying symptoms (such as mild abdominal pain) and the identification of abnormalities.Health management requires attention to diet, work and rest, and emotional regulation to avoid overwork or stress.If you experience cycle disorders, increased pain, or abnormal menstrual flow, you should seek medical attention promptly.

Section 2: Menstrual cycle and regularity
The normal menstrual cycle ranges from 21 to 35 days, with an average of 28 days, calculated as the interval from the first day of this menstrual period to the first day of the next menstrual period.Cycle fluctuations within ±7 days are normal, but long-term irregularities may indicate polycystic ovary syndrome or thyroid problems.In adolescent and perimenopausal women, cycles may be erratic due to hormonal changes.Keeping a menstrual diary (such as using an APP) can help track patterns and provide reference data when abnormalities are found.

Paragraph 3: Menstrual blood volume and color changes
The total blood volume in a single menstrual period is about 20-80 ml (about 10-15 ordinary sanitary napkins are soaked). The color is bright red at the beginning and gradually turns to dark red or brown later. It is normal to contain endometrial fragments.If you need to change sanitary napkins every hour for more than 2 days, or if your menstrual blood is light pink or grayish white, it may indicate anemia or infection.The choice of sanitary products should be breathable and hypoallergenic, and avoid using products containing fragrances to reduce irritation.

Paragraph 4: Accompanying symptoms and health management
Slight backache, lower abdominal distension or breast tenderness are common phenomena and usually resolve in 1-2 days.It can be improved by hot compress, drinking ginger tea or moderate exercise.If the pain affects your life (dysmenorrhea score ≥7 points), a large number of blood clots or non-menstrual bleeding occur, endometriosis and other diseases need to be investigated.It is recommended to supplement iron and B vitamins daily, reduce the intake of raw and cold foods, and maintain moderate exercise to promote pelvic blood circulation.

Paragraph 5: Summary and anomaly identification
Normal menstruation is a barometer of women’s health and needs to be evaluated comprehensively in terms of cycle, amount, color and symptoms.Short-term changes may be related to stress and diet, but if they occurAmenorrhea for more than 3 months,Menstrual period exceeds 10 daysorSevere pain accompanied by fever, seek medical attention immediately.It is recommended to have an annual gynecological examination, including ultrasound and hormone level testing, especially for those with a family history or long-term menstrual abnormalities.

Quote sources:
1. "Obstetrics and Gynecology" (9th edition), People's Medical Publishing House, edited by Xie Xing et al.
2. World Health Organization (WHO) "Guidelines for Female Reproductive Health"
3. Clinical data reference: 2022 "Chinese Journal of Obstetrics and Gynecology" consensus on the diagnosis and treatment of menstrual abnormalities