Insulin won't harm the baby.

The molecules are too big to pass over the placenta.

If you are seeing a Diabetes educator, then what is she doing?
She should be going in to bat for you really thats how the relationship works the DE is the conduit to the endo, especially seeing that they know you better.

If you aren't happy seek another endo opinion.

It's best not to compare your own diabetes and what happens with others here. Everyone is different so the care plans and paths others have gone through might not be suitable for you.