Normally, delivery takes place between the 37th and the 42nd week of gestation. By that time, the foetus is fully formed and developed enough to be able to adapt to extra-uterine life. However, in some cases delivery may occur before the 37th week of gestation. In that case, the neonate is considered preterm, with the degree of development of their organs being dependent on the gestational age.
Maturation and functionality of the lungs is critical for survival. Based on the degree of prematurity, lungs can be partially or even completely immature, and thus unable to ensure an adequate...