Do the bicycle motion with his legs and gently push his legs in towards his belly and then straighten his legs and keep it going it will help him but babies can go days without pooing as stated so nothing to worry about. X
Get some colief!!! That’ll do the trick! Expensive but I swear by it x
Babies can go up to 10 days without pooping. It’s completely normal, but if they seem really uncomfortable or their belly is bloated and hard try gripe water, it’s all natural and you only need to use a teaspoon of it and it will settle their tummy immediately and they’ll poop by the next day