Meconium aspiration syndrome

Meconium aspiration syndrome (MAS), also known as meconium aspiration pneumonia, is mainly caused by fetal inhalation of meconium-stained amniotic fluid in the utero or during birth, resulting in airway obstruction, lung Inflammation and a series of systemic symptoms, severe cases develop into respiratory failure or death. It is more common in term and postpartum infants. According to statistics, the incidence of meconium aspiration syndrome accounts for 1.2% -2.2% of newborns.

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