Abstract Background Preterm labor syndrome is associated with high perinatal morbidity and mortality. and intra-amniotic infection is a cause of preterm labor. The standard identification of causative microorganisms is based on the use of biochemical phenotypes. together with broth dilution-based antibiotic susceptibility from organisms grown in culture. https://www.findingthestory.com/product-category/tig-torch-collet-body/