Jules is absolutley correct, diabetes can have a part to play in PE and so its very possible that there was an underlying element in your first pregancy.
As for subsequent pregnancies, as always good antenatal care will be the key along with your vigilance & knowledge!
There is absolutley no reason why, if managed correctly, another pregnancy would not be a successful one. I would definately suggest seeking an expert opinion from both the endocrinolgist and your obstetrician to maximise the opportunity for optimum care.
Diabetes UK may also have some top tips - Diabetes UK
I hope this helps,
Every Woman is entitled to understand what happened in her pregnancy when pre eclampsia strikes. I hope to be able to support that process.