LTF and endometritis: The outcome of uterine infection depends on the number and virulence of the organisms present,7 as well as the condition of the uterus and its inherent defense mechanism.8 The innate immune system constitutes the first line of defense against invading microbial pathogens during uterine infection.9 As previously described, LF is a multifunctional glycoprotein extensively investigated for its wide range of bioactivities including antimicrobial, antioxidant, immunostimulatory and anticancer effects.22-26