86% of women with hypertensive disorders of pregnancy are discharged without blood pressure medication, then readmitted days later with dangerously high BP

When a woman with preeclampsia or gestational hypertension delivers her baby, the hospital often treats the acute crisis but fails to prescribe antihypertensive medication for the postpartum period. A 2024 study in the American Journal of Obstetrics & Gynecology found that 86% of patients with hypertensive disorders of pregnancy were discharged without any antihypertensive medication. Blood pressure in these patients typically peaks 3 to 5 days after delivery — precisely when most women are already home, away from monitoring, and focused entirely on a newborn. This matters because postpartum hypertension is the single leading cause of postpartum hospital readmissions in the United States. Women discharged with the highest blood pressure readings (at or above 160/110 mmHg) are nearly 3 times more likely to be readmitted. A 2024 study found that 73% of women who were readmitted had elevated blood pressure readings within 24 hours before their initial discharge — the warning signs were right there in the chart, but nobody acted on them. Readmission means separation from the newborn during the critical bonding window, disrupted breastfeeding, additional medical bills, and in the worst cases, stroke or death from uncontrolled hypertension. Remote blood pressure monitoring programs have proven they can catch these cases: studies show 12.8% to 26.2% of postpartum patients in monitoring programs develop severe hypertension at home, and 42% to 65% need medication adjustments. But most hospitals do not have these programs. The structural reason is straightforward: OB care is organized around delivery as the finish line. The discharge protocol focuses on surgical recovery and infant feeding, not chronic disease management. There is no standard handoff for ongoing blood pressure management, no default prescription for antihypertensives, and no automated follow-up for blood pressure checks in the critical 3-to-7-day window. The result is a predictable, preventable crisis that plays out thousands of times per year.