Criteria for endometritis – one or more of the following:
(1) culture from fluid or tissue from endometrium (by biopsy, from surgery, by needle aspirate) is positive for micro-organisms
(2) 2 or more of the following:
(2a) 2 or more of the following
(2a1) fever > 38°C
(2a2) abdominal pain
(2a3) uterine tenderness
(2a4) purulent drainage from the uterus
(2b) no other recognized cause
Another criteria would be evidence of endometritis on histolopathologic examination of biopsy material or fluid from the endometrium.
Endometritis following childbirth is considered health care-associated unless:
(1) the amniotic fluid was infected at the time of admission
(2) the patient was admitted >= 48 hours after rupture of the membranes (ROM)
