Pradhan, NRana, AGurung, GZaffar, S2026-06-232026-06-232007https://hdl.handle.net/20.500.14572/6743N. Pradhan Department of Obstetrics and Gynaecology, TU Teaching Hospital, Maharajgunj A. Rana Department of Obstetrics and Gynaecology, TU Teaching Hospital, Maharajgunj G. Gurung Department of Obstetrics and Gynaecology, TU Teaching Hospital, Maharajgunj S. Zaffar Department of Obstetrics and Gynaecology, TU Teaching Hospital, MaharajgunjAbstract Case report: Incarcerated uterovaginal prolapse due to pelvic and peritoneal abscess (pyoperitoneum) which at initial laparotomy was insufficiently dealt due to plastered peritoneum and dense pelvic adhesion, just by means of peritoneal lavage alone in one case and subtotal hysterectomy in the other and were wisely operated at a later date, removing uterus and bilateral adnexal mass at abdominal hysterectomy and bilateral salphingo-oophorectomy or removal of prolapsed cervix, that included the safety of surgical procedure is highlighted. Keywords: Pyoperitoneum, pelvic abscess, peritoneal lavageen-USPyoperitoneumpelvic abscessperitoneal lavageArticle