my baby is 4 month 19 days she is not rolling regularly still now she has rolled max 10- 15 times only but now she is just doing half turn or side lying position only is it normal

A. Your baby may be able to kick over from their tummy to their back as early as 3 to 4 months old. It usually takes them until about 5 or 6 months old to flip from back to tummy, though, because they need stronger neck and arm muscles for that maneuver.