Baby kurang minum susu ( fully FM )

Hi Mommies, Baby boy sy 3 months 25 days . Pass by 3 days baby kurang minum susu ? jarak masa 4 ke 5 jam baru minum 2OZ to 3OZ Wakut mlm lagi jarak 6jam ke 7jam baru minum susu. It’s normal ke for 3 months baby kurang minum susu ? Ada ke Mommies faced problem mcm sy #Firstbaby