A cross sectional descriptive study was conducted on 150 third trimester primigravida mothers attending MCH centre, Tirupati to assess knowledge on selected aspects of new born care. Structured checklist was administered to the mothers & the results revealed that majority 60.7% had moderate knowledge, 23.3% had inadequate knowledge, and only 16% had adequate knowledge related to General information of newborn .With regard to Maintenance of warmth, 78.7% of primi mothers had moderate knowledge, 11.3 % had adequate knowledge and remaining 10 % had inadequate knowledge. Considering Breast feeding, 74% of primi mothers had moderate knowledge, 17.3 % had adequate knowledge and remaining 8.7% had inadequate knowledge. Pertaining to skin care and baby bath, majority 84% of primi mothers had moderate knowledge, 9.3% had adequate knowledge and only 6.7 % had inadequate knowledge. With regard to care of umbilical card, 57.3% of primi mothers had moderate knowledge, 34% had inadequate knowledge , and remaining 8.7% had adequate knowledge. Pertaining to immunization, 57.3% of primi mothers had moderate knowledge, 34.7% had inadequate knowledge and only 8% had adequate knowledge. Age, Religion,educational status, occupation had significant association with knowledge level of newborn care at (P<0.01), monthly family Income and type of family were not found to have significant association.

Keywords: Selected aspects; Newborn care; Third trimester primigravida mothers.