Looking for some hope!

Hello everyone! After three miscarriages I decided to see a fertility specialist! I have one living child that was born two months premature! Come to find out I have the MTHFR gene mutation! My doctor has given us the green light to start trying and has started me on letrozol and then go on to use lovenox injections. Does anyone have any success stories that have MTHFR. It's been a long road of heartache! Hoping for the best in the next couple of months!