What size laryngoscope blade should be used to intubate a newborn with an estimated gestational age of 30 weeks (estimated birth weight of 1,200 g)?

Laryngoscope blade that used to intubate a newborn with an estimated gestational age of 30 weeks should be Miller 0 size

Machintos blade is rarely used for child before 1 years old. Don't use the tube balloon since it can damage the newborn trachea.