IL6 and endometritis: The objectives of the current study were to evaluate serum concentrations of adipokines (adiponectin, leptin, TNF-α, IL-1β and IL-6) and metabolic markers (insulin and insulin-like growth factor 1 (IGF-1)), as well as body condition in relation to postpartum, and to detect postpartum uterine inflammatory conditions (metritis, clinical endometritis and subclinical endometritis).