Gestation 10-14 weeks of gestational age: Early feeding reflexes, e.g. swallowing reflex• 15-18 weeks of gestational age: Sucking• 16-20 weeks of gestational age: Mouthing thumb in early, non-nutritive oral stimulation• After birth: Coordinating suck, swallow and breathing patterns for successful oral feeding– Preterm infants: May lack oral motor development required for effective oral feeding