#acrbest @rheumnow #acr19 abstr#1901 VERY IMPT STUDY: 16,490 offspring of moms w/Rheum Dz: 105 on nonTNFi biologic or TOFA: NO ⬆️in utero SIE . Only 2 cases of SIE- 1 w/TOFA &1 w/ABT. Risk for SIE in utero For healthy 1.6% For TNFi 2.3% For nonTNFi + TOFA 2.1%