Weight gain:
(1) increases 200 grams per week in first 3 months (weeks 0 to 13)
(2) increases 130 grams per week in months 4 to 6 (weeks 14 to 26)
(3) increases 85 grams per week in months 7 to 9 (weeks 27 to 39)
(4) increase 75 grams per week in months 10 to 12 (weeks 40 to 52)
Multiples of birth weight:
(1) doubles by 4 months
(2) triples by 12 months
Body length:
(1) increases 25 cm in first year
(2) increases 12 cm in second year
(3) half of adult height by 2 years of age
Head circumference:
(1) increases by 1 cm per month (12 cm) in first year
(2) increases by 2 cm for all of second year
(3) 80% of adult size by 2 years
