盆腔内感染是宫内感染(子宫内膜炎、子宫肌炎、子宫积脓等)、附件炎(输卵管炎、输卵管积脓、输卵管卵巢脓肿等)、盆腔内感染(骨盆结缔组织炎、骨盆腹膜炎、子宫直肠陷凹脓肿、骨盆死腔炎)等的炎症总称。感染诱因多为性交、妊娠、出血性疾病、肿瘤、分娩、阴道检查及操作、阴道式手术、有无宫内节育器(IUD)、子宫内手术和腹式手术等。外源性感染以性交为最重要因素, Pelvic infection is intrauterine infection (endometritis, uterine myositis, uterine empyema, etc.), annex inflammation (salpingitis, tubal empyema, tubal ovarian abscess), pelvic infection (pelvic connectiveitis, pelvic peritonitis , Uterine rectum abscess, pelvic dead cavity inflammation) and other inflammatory general. Infections are mostly sexual intercourse, pregnancy, hemorrhagic disease, cancer, childbirth, vaginal examination and operation, vaginal surgery, with or without IUD, intrauterine surgery and abdominal surgery. Exogenous infection to intercourse as the most important factor,