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Height & Weight Pattern in the Growing Baby
The baby’s birth weight is the starting point for growth. Whatever the birth weight, the growth rate in all the babies is approximately the same. The overall growth pattern depends on the proper food and adequate care of the baby. However illness, starvation, serious neglect or emotional disturbances would make his weight gain to fall.

Calculating your baby’s expected weight

Calculation Baby’s expected weight
Start with birth weight Birth weight 3.2 kgs
Subtract 40 gm/day for 1–5 days Weight at 5 days 3.0 kgs
Add 40 gm/day for days 6-10 Weight at 10 days 3.2 kgs
Add 30 gm/day or 170–230 gm / week from 10 days to 3 months Weight at 1 month 3.7 kgs
Weight at 2 months 4.6 kgs
Weight at 3 months 5.5 kgs

Height or length of the baby matters too
Getting taller is also included in the growth pattern of the baby. Weight gain is not the only way to assess a baby’s growth. Children are meant to get bigger overall and not just fatter and fatter. The baby’s weight increases faster than the length. Whatever be the baby’s length at birth, approximately 2cm (3/4”) will be gained each month or just over 5cm (2”) in 3 months.
There is a consistent relationship of weight & height in the normal growth pattern of the child.
Exception to normal growth patterns There is a noticeable disparity in the height gain compared to the weight. A baby who is gaining weight faster than nature intended, will not gain length to match it.