RecruitingBehavioural interventionMindfulness and Wearable Biosensors to Prevent Hypertensive Disorders of PregnancyThe MINDBP study will enroll 90 pregnant women at risk for HDP across two sites (MCW and Brown) and randomize them to: (1) mindfulness training (MT) plus wearable biosensors, (2) MT alone, or (3) routine prenatal care. MT participants will receive 8 weekly phone-based MT sessions plus two booster sessions at 1 and 2 months post-intervention. The primary outcome is study feasibility.