ExpertDr. Minal AcharyaNutritionist4 years agoA. The weight of 3 and half months old baby would depend on the birth weight. Baby should gain at least 500 grams per month and should double the birth weight by 6 months. For healthy weight gain exclusively breastfeed your baby till 6 months complete. At one episode of breast feeding feed from only one breast so that baby receives fat rich hindmilk which will help in weight gain.
Sarika guptaMom of 2 children4 years agoA. hello there ma'am please do not worry about it too much and please breastfeeding exclusively for the first six months to your baby and it is total food for your baby. and lso massage your baby with almond oil twice a day. and baby weight should be doubled the birth weight on first six months.
take care
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