A client who developed gestational diabetes mellitus during the pregnancy has just been admitted in the labor and delivery unit. what is the priority nursing action for this client?

The priority nursing action for this client/patient would be to determine just how well her gestational diabetes mellitus is under control by asking the patient about her last and most recent glucose reading. Doing this first and foremost will direct the path of any future steps that need to be considered and prepared for with this patient and her baby.