meowmeow,
講番我個case, 我b喺仁安頭3日,都係bf+milk powder,當時喺4個鐘餵一次,我唸new born bb 都 ok的話, 你個b大多數都得,或者你add more milk powder for him.
However, the nurse in health centre told me bb are varies, some of them have got small stomach and need to be feed by every 3 hours.