Health and weight are not related. A fat or chubby child is not always healthy.
Normal weight and length of a newborn Full term Baby (i.e after 37+ weeks of pregnancy).
Weight – 2.5 kg to 4 kg. Weight below 2.5 kg is considered as low birth weight.
Height – 45 cm to 55 cm
Head circumference : 33 cm to 37 cm
Preterm babies (born before 37 weeks of pregnancy) can have lower birth weight than full term.
A new born’s birth weight doubles in between the first 4-6 months, triples in a year and becomes 4 times in 2 years. For example: Birth Weight – 3 kg 4-6 months – 6 kg 1 year – 9 kg 2 years – 12 kg
Thereafter it increases by 2 kg every year until the age of 6 years. After 6 years, it increases by 3 kg every year until puberty (12 years approx)
The birth height increases by 25% after one year and double after four years. For example: Birth Height – 50cm 6 months – 66cm 1 year – 75cm 2 years – 87cm 4 years – 100cm
Thereafter it increases by 6 cm every year until puberty (12 years approx).
