DANBIO + Swedish register SGR linked to national birth registers (matched 1:10): RA-pregnancies: higher preterm birth (OR 1.92, 95CI 1.56-2.35) and small gestational age (OR 1.93, 95CI 1.45-2.57). Association strengthened by high disease activity. #OP0210 @Rheumnow #EULAR2021 https://t.co/Fjm0uxCPgC