Ay oo, normal talaga yan! A few of us mums noticed the same thing when our babies started solids, ang poop schedule nila nagbago, sometimes every 3 days or even longer, especially kapag mostly formula or breastmilk pa lang with light solids. As long as ang poop ay soft at hindi hard or constipated-looking, walang problema. But since your baby's digestive system ay nag-aadjust pa lang, better check with your pedia just to be sure everything's on track, lalo na if concerned ka sa consistency or kung may discomfort siya.