🩺 Hypertension & Proteinuria Diagnostic Threshold Simulator

BP ≥140/90 mmHg After 20 Weeks

New-onset hypertension after mid-pregnancy anchors the diagnostic pathway.

• ≥140: Systolic threshold (mmHg)
• ≥90: Diastolic threshold (mmHg)
• >20 wks: Onset window (gestation)
• 2×: Readings required (≥4h apart)

Why 20 weeks matters

Placeholder: onset timing separates gestational disease from pre-existing hypertension.

Proteinuria ≥300 mg/24h

Protein loss in urine signals renal involvement alongside elevated BP.

• ≥300mg: 24h threshold (protein/24h)
• ≥0.3: Spot ratio (protein:creatinine)
• ≥1+: Dipstick proxy (if no lab access)
• organ dysfx: Alt criteria (if no proteinuria)

Measuring proteinuria

Placeholder: 24h collection remains reference standard for confirmation.

Gestational Hypertension (BP Only)

Elevated BP after 20 weeks without proteinuria or organ signs.

• Absent: Proteinuria (by definition)
• ~25%: Progression risk (to preeclampsia)
• <12 wks: Resolution (postpartum)
• Weekly: Monitoring (BP + urine)

Follow-up pathway

Placeholder: close monitoring watches for evolving organ involvement.

Preeclampsia (BP + Proteinuria/Organ Involvement)

Hypertension combined with proteinuria or organ dysfunction defines preeclampsia.

• BP+protein: Core criteria (or organ signs)
• BP≥160/110: Severe features (or symptoms)
• 2–8%: Global incidence (of pregnancies)
• Delivery: Definitive tx (timing-dependent)

Severe feature escalation

Placeholder: severe features prompt urgent delivery planning discussions.

Chronic Hypertension Differentiation

Pre-existing hypertension before 20 weeks changes the classification path.

• <20 wks: Onset cutoff (pre-existing)
• ~20%: Superimposed PE (add proteinuria)
• >12 wks: Persists (postpartum)
• Pre-pregnancy: Baseline needed (BP record)

Superimposed preeclampsia

Placeholder: new proteinuria on chronic hypertension signals superimposed disease.

Placeholder: onset timing before or after 20 weeks is the key differentiator.