She should first visit Obstetrician and get thorough check up done (if not done earlier). Regular check ups are a must. Obstetrician will advise as per the blood
sugar levels, whether diet control is enough or medications are required. If the blood sugar levels are not too high, dietary control would do. The diet should have less carbohydrate. It is best to consult dietitian, at least, once.
Health Tips
Have regular check ups as advised by Obstetrician as uncontrolled
Diabetes has adverse effect on both mother and the unborn baby.