I'm sorry to read you lost two babies. It must be so terribly heart-breaking. But don't give up... I'm sure there's a little miracle for you just waiting to happen. Your journal is truly inspiring and I really admire your courage.

Yes, MTX is excellent at stopping the RA, but highly dangerous for baby when TTC, while pregnant, or if breastfeeding. It has actually been used as a drug to bring on a miscarriage (abortion) and can severely deform unborn babies. Scary stuff!
Excuse my ignorance, but what do you mean by serum-negative?