50 Are there any standard weight differences that can be anticipated? Usually, parents with higher body weights have larger babies. The incidence shows that the weight increases as the birth order increases, and the firstborns are usually the lightest. Male babies tend to be heavier than female babies, although the females are sturdier and more tolerant to stress during the newborn period. How much weight does a newborn gain after birth? The rule of thumb is that the infant gains 15-30 g daily. Thus, the baby would double the birth weight by the age of five months and triple the birth weight at age one. By age two years, the weight would be four times the birth weight. When do we need to worry about the weight gain of the baby? You must be concerned if your baby has not gained the desired weight every month, as this can be due to various factors. It is good to consult your doctor when your baby is not feeding or sleeping well enough and is not putting on sufficient weight.
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