Ay naku, oo normal yan lalo na kung newborn pa lang ang baby mo! Ang poop ng babies ay varies talaga, sometimes it's like mustard, sometimes parang clay, at oo, minsan talagang solidish na parang bola especially pag bigger na sila or pag constipated lang. A few of us mums noticed na kapag konti lang ang tubig or milk intake, ganyan ang texture nila, pero seryoso check mo na rin with your pediatrician para sure, lalo na kung may other signs like hindi siya comfy or may difficulty pag nag-poop, kasi they can give you better advice based sa age at overall health ng baby mo!