MTX users have an increased incidence of spontaneous abortions (SABs) compared to baseline risk (42.5%1 vs. 13-17%2). Tocilizumab (TCZ) has been shown to have similar efficacy with or without MTX. There is currently limited data on the effect of TCZ on pregnancy, but with more safety data, TCZ could be an alternative for RA patients of reproductive age. The patients were enrolled at Embryotox Berlin, a pharmacovigilance center providing risk assessment during pregnancy, between 2011 and 2014 dur...