Breast milk olfactory stimulation will improve preterm infants' outcomes.

The researcher will explain the aim of the study and the components of the tools to the studied nurses.

• The researcher will distribute questionnaire to studied nurses for assessing their knowledge and the researcher will observe their practices regarding breast milk olfactory stimulation for premature infants.
• The researcher will be divided preterm infant randomly into two equal groups (control and study). While intervention will be directed to study group only before feeding. Both groups will be subjected to same routine care of the NICU.
• The researcher will be used PIBB scale and neonatal behavioral responses Sheet to assess the premature infants at 1st day of admission as pre intervention after routine care as "change diaper, eye care, cord care, feeding" at morning shift at ten o'clock and one o'clock in the afternoon for study and control group (pre intervention).
• The researcher will apply breast milk olfactory stimulation technique for study group only before feeding but, both groups will be subjected to same routine care of the NICU.
• The researcher will assess the effect of used olfactory stimulation technique to study group at 5th and 6th day of admission post intervention.

Inclusion Criteria:

• Preterm infant has gestational of 30 >37.
• Birth weight 1000 > 2500 gm.
• Preterm infant fed oral or gavage feeding or both of them.

Exclusion Criteria:

• Preterm infants on mechanical ventilation or complicated case

data is available with co responding outers on reasonable request