LEGACY Cohort - Rx monitoring AZA/Tacro in SLE pregnancy Ab#0586 #ACR23 @RheumNow 70 pregnancie. 33% prescribed AZA, 9% TAC AZA - 91% subtherapeutic or non-adherent More likely in non-Caucasian, on steroids, longer SLE duration, prior lupus nephritis TAC - 3/6 therapeutic levels