Sizing GuideSizeLengthWeightPreemieto 18″ (46 cm)to 5 lbs.Newbornto 21″ (53 cm)to 8 lbs.3 monthsto 24″ (61 cm)to 12 lbs.6 months24″ to 27″ (61 to 68 cm)12 to 16 lbs.
Is it true that premature babies are smarter?
Preemies With Faster Brain Growth May End Up Smarter. WEDNESDAY, Oct. 12, 2011 (HealthDay News) — Growth in a particular part of a premature baby’s brain in the first weeks and months following birth may predict how well a youngster is able to think, plan and pay attention later in childhood, new research suggests.