American journal of perinatology
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To evaluate the efficacy and safety of antenatal ambroxol as a preventive therapeutic of respiratory distress syndrome (RDS) in preterm infants. ⋯ In cases of inevitable preterm birth, antenatal ambroxol is recommended over corticosteroids to prevent neonatal RDS. However, further research is necessary to determine the optimal treatment dosages and regimens of antenatal ambroxol to achieve consistent superior results over corticosteroids.