Big trouble caused by small sanitary napkins-Liu Yanxia, deputy chief physician of the Department of Gynecology, Dongfang Hospital, Beijing University of Chinese Medicine: In my outpatient clinic, I have also met many patients with genital allergies caused by improper use of sanitary napkins, and some of them are replaced too frequently. Discomfort caused by the brand. Some people choose sanitary napkins with a large amount of moisture to save trouble, but they don’t know that menstrual blood is a good "culture medium" for bacteria. If sanitary napkins are not replaced for a long time, the accumulated menstrual blood will increase the humidity greatly, and the local ventilation will be poor, causing bacteria. Infect. Some women are also attracted by unreliable "medicated sanitary napkins", advertisements for menstrual conditioning and dysmenorrhea, and sanitary napkins with added fragrance effects. They are often allergic to the vagina caused by the added drugs, fragrances or other additives.