Rheumatoid arthritis and juvenile idiopathic arthritis put pregnant women at risk for preterm delivery.
Reference1. Smith CJF, Förger F, Bandoli G, Chambers CD. Factors associated with preterm delivery among women with rheumatoid arthritis and juvenile idiopathic arthritis. Arthritis Care Res. 2018 Aug 21. doi: 10.1002/acr.23730. [Epub ahead of print]