In a 47-year-old sexually active woman with a five-year history of hypertension on medication and a BMI of 37 kg/m², which screening test is most indicated?

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Last updated: October 3, 2026 • View editorial policy

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Fasting Blood Glucose is the Highest Priority Screening

For this 47-year-old sexually active woman with hypertension and BMI 37, fasting blood glucose screening (Option D) is the most strongly indicated test based on her multiple high-risk features for type 2 diabetes and its impact on cardiovascular mortality.

Clinical Reasoning

This patient has three major risk factors that make diabetes screening the highest priority:

  1. Hypertension (5-year history on medications)
  2. Obesity (BMI 37 kg/m²)
  3. Age 47 years (approaching the 45+ threshold)

Why Diabetes Screening Takes Priority

The USPSTF guidelines specifically recommend screening for type 2 diabetes in adults with hypertension, concluding there is moderate certainty that screening leads to substantial benefit in preventing cardiovascular events 1. This recommendation is particularly strong because:

  • Cardiovascular morbidity and mortality are substantially elevated well before diabetes diagnosis 1
  • Undiagnosed diabetes increases macrovascular complication risk 1
  • The combination of hypertension and obesity dramatically increases diabetes detection rates (12-fold increase for diabetes, 3-fold for hypertriglyceridemia) 2

Multiple professional societies align on this recommendation. The American Diabetes Association specifically recommends screening in people younger than 45 years who are overweight (BMI ≥25 kg/m²) if they have another risk factor such as hypertension 1. This patient meets both criteria with a BMI of 37 and documented hypertension.

Why Other Options Are Lower Priority

Pap Smear (Option B)

While cervical cancer screening is important for sexually active women, at age 47 this is routine maintenance screening rather than highest priority. Current guidelines recommend screening every 3-5 years in average-risk women 3, making it less urgent than addressing her cardiovascular risk factors.

Annual Fecal Blood Testing (Option C)

Colorectal cancer screening typically begins at age 45-50 in average-risk individuals 4. While she qualifies by age, this doesn't address her immediate cardiovascular mortality risk from undiagnosed diabetes.

CT Chest (Option A)

Lung cancer screening would only be indicated if she were a current or former smoker with ≥20 pack-year history 4. No smoking history is mentioned, making this inappropriate.

Critical Clinical Context

The convergence of hypertension and obesity (BMI 37) creates a synergistic cardiovascular risk that demands immediate attention. The hypertension rate in individuals with BMI ≥28 kg/m² and increased waist circumference reaches 57.5% in men and 43.3% in women 5, and this patient already has established hypertension. Adding undiagnosed diabetes to this profile would dramatically escalate her 10-year cardiovascular event risk.

The answer is D: Fasting blood glucose - this screening directly addresses the most significant modifiable risk factor for cardiovascular mortality in this high-risk patient.

References

4
Research

Health Maintenance in Postmenopausal Women.

American family physician, 2025

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