main reason The main cause of this ailment is pathogen infection, which is often divided into two kinds: exogenous and endogenous. The two can exist alone or even in combination, though the possibility of mixing is greater, causing damage to the fallopian tubes, after which causing a greater incidence of endogenous aerobic and anaerobic infections. 1.Exogenous pathogen The main mode of transmission is sexual transmission, for example Chlamydia trachomatis and Neisseria gonorrhoeae. There are also some mycoplasmas, such as Mycoplasma hominis, Mycoplasma genitalium, and Ureaplasma urealyticum. 2.Endogenous pathogens The source can be a microbiota which is parasitic in the vagina, with aerobic and anaerobic bacteria, either alone or in combination. In the case of anaerobic infection, there are signs of pelvic abscess, bubbling bubbles, fecal odor and infectious thrombophlebitis. Route of infection 1.Ascending down the genital mucosa The main pathogens are Neisseria gonorrhoeae, Chlamydia trachomatis and Staphylococcus. Non-pregnancy and non-puerperal pelvic inflammatory diseases are typically infected from this route. Specifically, the pathogens entering the vulva and vagina, or the pathogens already inside the vagina gradually spread the problem to the ovary and abdominal cavity across the cervical mucosa, the fallopian tube mucosa as well as the endometrium. 2.Trans-lymphatic system The main pathogens are streptococcus, Escherichia coli, and anaerobic bacteria. Infections after puerperal infection, infection after abortion, and infection with an IUD usually spread along this route. The specific upward route may be the lymphatic vessels of the vulva, vagina, cervix and wound. Through this path, the bacteria can infect the pelvic cavity in the connective tissue within the pelvis as well as other places inside genitalia. 3.Menstrual circulation The main pathogen is tuberculosis. The specific technique is that the pathogen first infects other systems, and after that the the circulation of blood causes the genitals to get infected. 4.Direct spread When other organs in the abdominal cavity are infected, the infection spreads directly towards the internal genitalia. For example, appendicitis might cause inflammation in the right fallopian tube. If you have pelvic inflammatory disease, I recommend fuyan pills to treat it. More information, please refer to http://www.drleetcmclinic.com/ for detail.