20% of SLE pregnancies end w/ adverse preg outcome (APO). Use of LASSO & Machine learning of PROMISSE data (385 pt) before wk 12 could predict APO based on BP Meds, low Plts, Dz activity, and LAC (AUC=0.78) https://t.co/DZJ9UCpwCk https://t.co/5yYgj9g0dP