Discouraged.

I got my right ovary and feliciano tube removed when I was 12 years old, due to large masses that kept growing, they told me that i wouldn't be able to have children and at that age it didnt phase me, and now i found out i have another mass on my left ovary. I really want a baby but have been trying for months and have had three miscarriages, i feel like the one thing a woman is supposed to bring into this world  i wont be able  to do. I feel like because i have these problems my fiancé and my relationship is going down hill. I really wish i had a girl to talk to, can anyone help me? I really want a baby but most if all to save my relationship!