Generally speaking, gynecological inflammatory diseases can affect menstruation. Many gynecological inflammatory diseases can affect women’s menstruation in different degrees, some can cause delay in menstruation, and some can affect the amount and color of menstrual blood during menstruation. The main inflammatory diseases that can affect menstruation are: i. Cervicitis. Cervicitis may cause poor flow of menstrual blood due to cervical adhesions, causing symptoms such as dysmenorrhea; ii. Vaginitis. Especially mycotic vaginitis has a significant impact on menstruation, causing discoloration of menstruation, shorter or longer menstrual cycles, and delayed menstruation. iii. pelvic inflammatory disease can also affect the menstrual cycle and the amount of menstruation. iv. endometritis and adnexitis also have an impact on menstruation. Once you have some kind of gynecological inflammation, you must go to a regular hospital gynecology department for appropriate examination, timely treatment and symptomatic treatment to avoid affecting the menstrual cycle, which in turn affects female fertility and women’s health.