Menarche is too early or too late to seek medical attention – A girl’s first menstrual flow is called menarche, and it is an important sign of puberty. The vast majority of girls have their menarche around the age of 12, but there are a few whose age can be as early as 9 or as late as 15. However, if menstruation occurs before the age of 8, it may be precocious; and if menstruation has not yet occurred after the age of 16, primary amenorrhea should be considered. These require parents to bring their children to the hospital in a timely manner. The first time a girl has a menstrual cycle, her ovaries have just developed and their function is not yet perfect, so there are often functional disorders and irregularities, which are not pathological. But nowadays, adolescent girls have a heavy academic burden and stress, and often have sparse or frequent menstruation, more menstrual blood and other problems, and parents do not take their children to the doctor in time due to carelessness or fear of delaying their studies, which can eventually even affect the child’s future reproductive function. Therefore, the young menstruating girls, parents must be more concerned about their menstruation, once found abnormalities to take the child to the regular hospital adolescent specialist in a timely manner. Dysmenorrhea to seek medical attention – women before and after menstruation or menstrual period, lower abdominal pain, swelling, accompanied by lumbago or other discomfort, symptoms can be accompanied by nausea, vomiting, diarrhea, dizziness, dripping cold sweat, etc. affect the quality of life is called dysmenorrhea. Dysmenorrhea is divided into primary dysmenorrhea and secondary dysmenorrhea. Primary dysmenorrhea is mostly seen in young women who have not had children and those who are weak or sensitive to pain, also known as adolescent dysmenorrhea. Although dysmenorrhea is not fatal, it seriously affects the study and work of adolescent women, reduces the quality and enjoyment of life, and some causes of dysmenorrhea may cause female infertility. Therefore, adolescent women and their parents should pay special attention to dysmenorrhea, and if the dysmenorrhea is severe, they need to go to the hospital to rule out organic lesions of the uterine appendages.