Hi,
of what I understood from your question is that you have a 2 month old baby who is suffering from jaundice and your wife who must be feeding can she have non veg food or not. Well the awnser is yes she can have anything to eat whatever she likes to eat including fish.
If you have some other question please be a little more clear.
And yes 4.6 kg is a wonderful weight,infact a little overweight for the age of your child. ...
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