Final answer:
For a pregnant patient with diet-controlled (class A1) GDM, the recommended approach for delivery management is to continue diet control and monitor blood glucose.
Step-by-step explanation:
For a pregnant patient with diet-controlled (class A1) GDM, the recommended approach for delivery management is to continue diet control and monitor blood glucose. This means that the patient will need to maintain a healthy diet to control blood sugar levels and regularly monitor their glucose levels to ensure they are within a normal range. With proper diet control and close monitoring, it is possible to manage gestational diabetes without the need for immediate induction of labor, a cesarean section, or an increase in insulin dosage.