Constipation is quite common in babys less than one year  of age No need to worry for this Give tummy times  frequently  in a day time Do massage everyday and specially tummy massage more.   breast Feed ur baby as per demand  It will help Burp properly at least 10 min or till baby take 4 burp Keep hydration well Baby should pass minimum urine 6-8 times per day If baby is feeling discomfort and crying inconsolably  then Need to do rectal stimulation, apply some drops of oil over rectal area It will help If it  doesn't help   then Need rectal glycerine  enema Or some laxative for which u need to visit once with pediatrician.