Since wide variations occur in the degree of uterine tenderness, the finding of uterine tenderness is not a precise guide to establish whether or not uterine infection is
[glowm.com]
tenderness, pelvic abscess, peritonitis, mechanical or foreign body injury, any system/organ failure or shock.
[ncbi.nlm.nih.gov]
Examination Pulse, BP, Temperature, respiratory rate Examine chest, heart, skin to look for signs of infection Examine abdomen – including abdominal wound, uterine / renal
[busyspr.com]