very low birth weight infant Tomasz Adamusiak NCIt:C114935 Very-Low-Birth-Weight Infants SNOMEDCT:276611006 Infants, Very-Low-Birth-Weight Very Low Birth Weight Infant Very Low Birth Weight Infant, Very-Low-Birth-Weight INFANT VLBW VLBW INFANT An infant whose weight at birth is less than 1500 grams (3.3 lbs), regardless of gestational age. Very-Low-Birth-Weight Infant Infant, Very Low Birth Weight MESH:D019102 MedDRA:10004958 birth weight