Patient's question:
Medical history (onset time, main symptoms, changes in symptoms, etc.): How many days is considered normal for menstruation? How many days is considered normal for menstruation?Doctor's answer:
How many days does the first menstrual period usually last? Normal menstrual bleeding generally lasts 3 to 7 days, and if it exceeds 10 days, it can be considered prolonged bleeding. Excessive menstrual bleeding can be caused by many factors, common ones include: fatigue during the period, exposure to cold, endocrine disorders, IUD insertion, gynecological inflammation, uterine fibroids, blood diseases, liver or kidney disorders, abnormal endometrium, etc.The first menstrual period a woman experiences is called menarche. The age of menarche is generally between 11 and 15 years old. Menarche may be advanced or delayed slightly due to environmental, climatic, lifestyle, nutritional, and health conditions, and this is a normal phenomenon. If a woman has not experienced menarche by the age of 18, it is considered abnormal.