Oh sweetie, i am so sorry for your loss!

I think your family are being very insensitive by telling you to "get over it", losing a child, is one of the worst things that can happen to someone.
You take all the time you need hun, no one can give you a timespan of how long you can grieve it's different for everyone.
It sounds like you have a very supportive husband, maybe you can both sit down with your family and tell them exactly how much this baby meant to you, and how much their comments have hurt you at this already difficult time.

I'm thinking of you