By precipitating factor in the development of purulent formations appendages include:
- microbial invasion; -reduction or change the barrier properties of the uterus and genital tract[physiological (menstruation, childbirth) or iatrogenic (abortion, intrauterine devices, surgery, hysteroscopy, in vitro fertilization) nature]. Ways of infection of the uterus:- Intrakanalikulyarny. - Bottom-up. - Hematogenous. - Lymphogenous.