Need advice or better hopes.

Emma
So first time asking a question. My husband and I have been trying to get pregnant for the past 3 years. I have PCOS am on merformin and have had 4 miscarriages. I get really sick from the metformin but if that's what's going to help me get pregnant I'll do it. Been on metformin for 4 months.  Have any of you been in a situation that had hope. I'm starting to lose hope about having my own children. Any advice or knowledge would be appreciated. Thank you.