Inclusion Criteria:  Any pregnant patient at Peoria FMC Hx of pre-eclampsia Multifetal gestation Chronic hypertension Type 1 or 2 diabetes Autoimmune disease Renal disease Nulliparity Obesity Family Hx of pre-eclampsia Sociodemographic characteristics Age >= 35 years of age Personal history factors (LBW, SGA, > 10-year pregnancy interval, adverse pregnancy outcomes  Exclusion Criteria:  At high risk of side effects from ASA therapy Hx of hemorrhagic stroke Hx of GI bleed, G6PD Liver disease NSAID or Salicylate allergy) Patients confirmed to be not compliant with therapy