Ay, normal yan sometimes kapag nag-adjust ang baby sa formula, lalo na kung recently ka lang nag-switch or nag-adjust ng amount! Pero kung yan na ang consistent color niya for a few days na at super laki ng amoy, better to check with your pedia lang para ma-rule out kung may slight tummy issue or kung need mo mag-adjust ng formula brand, a few of us tried switching to a gentler formula at nag-normalize agad ang poops, kaya worth asking your doc kung yan ang best next step para sa baby mo.