Age

14–89

Sex

FEMALE

Healthy volunteers

Accepted

Viable singleton gestation
No fetal anomalies
Blood pressures 130-139/80-89mmHg on two occasions at least 4 hours apart prior to 20 weeks gestation
Planning to deliver at UAB Hospital
No indication for pregnancy termination
Receiving care at the UAB prenatal clinics

Declines Randomization
Known diagnosis of chronic hypertension ( BP ≥ 140/90mmHg) or current antihypertensive medication use
Fetal demise diagnosed prior to enrollment
Known major structural of chromosomal abnormalities prior to enrollment
Contraindication to first line antihypertensive (Nifedipine/ Labetalol)
Comorbidities requiring BP goals \< 130/80mmHg

Chronic Hypertension and Pregnancy 2 (CHAP2) Pilot Project