| 
      All infants in preterm group were born at least 28 days earlier or preterm. None of the infant in term group remained in hospital for more than 2 days. No potential 
      complications were reported either. In preterm group, regression analysis didn’t show any relationship with any factors with regard to Th-1, Th-2 response. 
    PDA: Patent Ductus Arteriousus; CLD/BPD: Chronic Lung Disease or Broncho PulmonaryDisease; NEC: Necrotizing Entero Colitis; Sepsis: Blood culture positive; IVH: 
    Intra VentricularHemorrhage.
        | Group | Intubation | Surfactant | PDA | BPD/CLD | NEC | Sepsis | IVH | Ventilator | Oxygen |  
        | Preterm | 16 | 15 | 8 | 6 | 0 | 6 | 3 | 12 | 16 |  
        | Term | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |  |