Recently my father and mother undergone hba1c test. my dad is 75 years old and have been treating for diabetes from past 15 years. the test result shows as 10.5% during ‌ hba1c. from last 6 months he is been taking insulin of 8 units per day during night post lunch.and my mom is 61 years old and have been treating for diabetes from 20 years. her report shows hba1c as 9.5%. even she is taking insulin of 8 units daily.  please advice on next steps.