Inclusion Criteria:

• 1. Pregnant Adults between 18 and 45 years of age
• 2. Diagnosed with preeclampsia
• 3. Presenting for delivery with a singleton gestation.

Exclusion Criteria:

• 1. We will exclude patients in labor
• 2. Patients with preexisting cardiomyopathy, chronic hypertension, ischemic or valvular heart disease, pulmonary disease, diabetes mellitus, chronic kidney disease, multiple gestation
• 3. Plan to deliver outside of the participating site
• 4. Co-enrolled in other trials that might affect the patients taking the study medication, as determined by the PI.
• 5. Aspirin allergy
• 6. Clear indication for aspirin therapy or contraindication to aspirin therapy
• 7. Clinically significant conditions that might limit adherence to trial regimen (e.g., peptic ulcer disease, history of gastrointestinal bleeds, bleeding disorders)
• 8. Currently or planning on taking any nonsteroidal anti-inflammatory drugs while they are participating in this study.
• 9. Those who cannot provide consent