Meconium Aspiration Syndrome of the Newborn
Meconium aspiration syndrome (MAS) occurs in fetuses that absorb meconium-stained amniotic fluid in the uterus or during delivery, causing the newborns to experience the main clinical manifestation of respiratory distress after birth. MAS is common in term infants or post-term infants. MAS is a serious lung disease; 10–20% of these patients will experience pneumothorax, and 5–10% of the patients will die.
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