Population cohort study of pregnancies from UK Clinical Practice Research Datalink, 5.2 million pregnancies, ~2.5 mill births. Incr risk for miscarriage in Sjögrens (aRR 1.66), C-sect in IBD (1.27), SGA in SLE (2.45), preterm birth in RA (1.53), stillbirth in SLE (1.82) & more https://t.co/IjtRTE2t78