Anak, I'd really suggest calling your pediatrician or going to your baby's checkup soon para ma-monitor niya ang baby's weight at feeding, this is important talaga, lalo na at 2 weeks old pa lang! A few of us moms nag-worry din about this, pero ang doctor talaga ang makakasabi kung normal o kailangan ng adjustment based sa baby's specific needs at growth. Huwag mag-alala, pero better safe na ma-check lang siya, ha?