Early exposure to maternal voice: effects on preterm infants development.

Preterm infants complete their development in Neonatal Intensive Care Unit being exposed to environmental stimuli that lead to the early maturation of the sensory systems. It is known that the fetus perceives sounds and reacts to them with movements since the 26th-28th week of gestational age. Maternal voice represents a source of sensory stimulation for the fetus.To investigate the effect of the exposure to maternal voice, administered by bone conduction, on preterm infants autonomic and neurobehavioral development.Longitudinal, explorative, case control study.71 preterm infants with birth weight