#OP0002 #EULAR2022 What immune tests to monitor during pregnancy in #lupus? A meta-analysis found: 💠32% had a flare (new IS or Pred>9mg/d) 💠⬇️C3 and/or C4 in 1st Trimester predicted LN or SLE flare Worth checking C3/C4 in each trimester @RheumNow https://t.co/fPEXwReK7u https://t.co/BX6fzKzfvC