“…PTB is multifactorial disorder which creation involves various exogenous and endogenous risk factors whose interactions initiated early, start asynchronous delivery mechanism. PTB is now thought to be a syndrome initiated by multiple mechanisms, including infection/ inflammation, uteroplacental ischaemia or haemorrhage, placental malperfusion, Mullerian anomalies, uterine overdistension, stress, and other immunologically mediated processes [9][10][11][12][13][14].…”