Chronic cervicitis is predisposed by Trauma during childbirth Sexual activity Gynecological instrumentation Alkalinity of cervical mucus (normally the low pH of vagina is maintained by virtus of lactic acid producing bacilli.)Chronic cervicitis is predisposed by  Trauma during childbirth  Sexual activity  Gynecological instrumentation  Alkalinity of cervical mucus (normally the low pH of vagina is maintained by virtus of lactic acid producing bacilli.)