my baby completed 7 months, Starting of 6th month he rolled rarely after few days he did it frequently but now he is not at all doing it even if i try forcefully. what should I do?

A. If your baby rolled over once or twice and then suddenly stopped, this is totally normal too. “Usually, non-rollers are busy working on another motor skill, and most babies can only work on one skill at a time,” says pediatrician M.D. “So ask yourself what else she's working on.