Eh, ini boleh jadi concerned sikit lah, 2 hari tak berak for a 2-month-old yang minum mix of breast and formula, memang agak lama. Normally babies on breastmilk bole berak few times a day or every other day, tapi 2 hari tu dah boleh tanda ada masalah dengan digestion. Better check with your paediatrician ASAP sebab dia boleh assess whether baby punya tummy issues, constipation, or ada kena apa-apa, jangan delay lah. A few of my mum friends pun pernah panic sama, and the doctor punya advice was really helpful, so worth the trip! Hopefully it's nothing serious, but better safe kan.