4. How much should a 2-month-old baby weigh? According to the WHO weight for age chart, on average, a two-month-old baby girl should weigh around 5.2kgs while a baby boy should weigh around 5.6kgs ...

Read on for typical weight-gain patterns including baby weight gain per month from birth through age 2. You may be surprised ... and head circumference on a growth chart developed by the World ...