Is the first day of menstruation normal?

The symptoms of dysmenorrhea on the first day of menstruation are abnormal and need to be analyzed in combination with specific conditions.

Dysmenorrhea refers to pain and discomfort during menstruation, and dysmenorrhea occurs on the first day of menstruation. Most of them are related to uterine and pelvic congestion and prostaglandin stimulation secreted by the endometrium. They belong to normal physiological phenomena. As menstruation continues, pain can gradually be relieved. However, if dysmenorrhea symptoms are severe, or accompanied by other abnormal manifestations, such as lumbosacral soreness, fever, increased menstrual volume and other symptoms, it is abnormal, generally related to uterine fibroids, endometriosis or endometriosis and other diseases.