Uterus IRI resulted in increased MPO levels (7.18% (6.57; 7.75) in the control group, 5.61% (3.58; 6.36) in the melatonin group, 5.31% (4.62; 6.16) in the glycine group and 4.04% (2.86; 5.2) in the combined treatment group). Here, MPO is linked to medical procedure.