Welcome MarineWife!! So glad you found us! I'm sure there are mamas around that can offer support & advice.
Here are a few forums you may find helpful:
Join your due date club http://www.mothering.com/community/f/19/im-pregnant
Parenting multiples http://www.mothering.com/community/f/158/parenting-multiples
Super long thread on gestational diabetes. Feel free to start a fresh one if it suits you http://www.mothering.com/community/t/945665/gestational-diabetes-support-group