Why can’t I reschedule my child’s appointment? You may have exceeded the number of rescheduled appointments or missed your appointment beyond the valid period. Related articles How can I reschedule my child's appointment at the Specialist Clinic? I am unable to reschedule my child's immunisation to an earlier date. What should I do? I am unable to add my newborn on HealthHub. Why is this so? What is National Electronic Health Record (NEHR)? NEHR Access History shows that my records in the NEHR were accessed on a day when I did not seek any care or treatment. What should I do?