ExpertDr.Sabiha AnjumObstetrician and Gynaecologist4 years agoA. Yes it is natural for babies of this age to suck their own fingers and hand and it is a part of exploring the surroundings and it is absolutely natural and not a matter of worryWrite Your Answer Here
Sunita MahatoMom of 2 children4 years agoA. yes at the completion of three months baby will start social smile..
there may be any reason as baby has reduce the smile may baby is uncomfortable, or just like that..
restrict as you notice baby sucking the thumb remove .. as if gets habit it will difficult to stop..
and baby may loss appetite also..
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