|Term infant||born after 37 completed weeks||, ≥37 0/7 weeks’ gestation|
|preterm infant||born before 37 completed weeks||• extremely preterm (less than 28 weeks)
• very preterm (28 to 32 weeks)
• moderate to late preterm (32 to 37 weeks).
|Post term infant||born after 42 weeks||42 0/7 weeks’ gestation|
- Several terms are used to classify neonates according to BW, as follows
|Low birth weight (LBW) neonates||< 2500g|
|Very low birth weight (VLBW) neonates||< 1500g|
|Extremely low birth weight (ELBW) neonates||< 1000g|
- These classifications aid the clinician in predicting clinical courses and outcomes.