Low gain weight baby👩‍🍼

Alaa

Hi ladies I have a concern about my baby weight he will be 4 months in few days and yesterday he had his vaccine and the doctor checked on his weight he's 13 pounds with the diapers on and I feel my baby boy didn't gain weight as expected but he's 26.5 inches.

The doctor recommended the teaspoon rice cereal in his bottle and I'm giving him the Garber organic rice cereal but it doesn't melt in the milk and it stuck in the nippl of the bottle!

Anyone experience the same weight issue and for mommy's using the rice cereal in the milk how I can make it melt or do you recommend any other brand 🤔