A 26-Year-Old Multigravida Is 28 Weeks Pregnant

A 26-year-old multigravida is 28 weeks pregnant. She has developed gestational diabetes. She is following a program of regular exercise, which includes walking, bicycling, and swimming. What instructions should be included in a teaching plan for this patient?

A) "Exercise either just before meals or wait until 2 hours after a meal."
B) "Carry hard candy (or other simple sugar) when exercising."
C) "If your blood sugar is 120 mg/dl, eat 20 g of carbohydrate."
D) "If your blood sugar is more than 120 mg/dl, drink a glass of whole milk."