You may want to search out an Obstetrician you are comfortable with now, unless you plan to work with your GP throughout a possible pregnancy. An Obstetrician is trained to care for the unique needs of a pregnant woman (including diabetes), so it may be a good thing for you, especially if your GP isn't the most communicative (from what you've said).
I'm glad you're not as worried. That's what we're here for!
Take care, and hope to hear some good news from you soon.