Birth weight of infant

1 - Low birth weight

'Low birth weight' refers to live birth of a baby that weight less than 2,500 grams.

2 - Medium birth weight

'Medium birth weight' refers to live birth of a baby that weight at least 2,500 grams but less than 4,500 grams.

3 - High birth weight

'High birth weight' refers to live birth of a baby that weight at least 4,500 grams.