CRP and inflammation: These factors included prenatal clinical findings (maternal leukocytosis, increased maternal serum C-reactive protein (CRP) levels, signs of intra-amniotic inflammation), applied therapies (corticosteroid therapy, antibiotic therapy, and tocolytic therapy), the course of the delivery (the type of premature delivery, the subcategories of preterm birth based on gestational age, and the mode of delivery), and clinical parameters of the newborns (the birth weight and the condition of infants at the moment of birth determined using the Apgar Scores (AS) and pH of cord arterial blood).