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Related Experiment Video

Updated: Jan 3, 2026

Preclinical Development: Overview
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Screening for cervical cancer.

D M Eddy1

  • 1Center for Health Policy Research and Education, Duke University, Durham, North Carolina.

Annals of Internal Medicine
|August 1, 1990
PubMed
Summary
This summary is machine-generated.

Regular cervical cancer screening significantly reduces invasive cancer risks and mortality. For average-risk women, screening every three years from age 20 to 65 offers substantial protection and increases life expectancy.

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Breast cancer screening in women younger than 50 years of age: what's next?

Annals of internal medicine·1997

Area of Science:

  • Gynecology
  • Preventive Medicine
  • Oncology

Background:

  • Cervical cancer screening is crucial for early detection and prevention.
  • Indirect evidence suggests significant reductions in incidence and mortality are achievable.

Purpose of the Study:

  • To quantify the impact of regular cervical cancer screening on invasive cancer risk and mortality.
  • To determine optimal screening frequency and age ranges for maximum benefit.

Main Methods:

  • The study analyzed the lifetime risk of developing and dying from invasive cervical cancer.
  • Calculations were based on screening every three years from age 20 to 75 for average-risk women.

Main Results:

  • Without screening, a 20-year-old faces a 250 in 10,000 lifetime risk of invasive cervical cancer and a 118 in 10,000 risk of death.

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  • Screening every three years reduces these risks by 215 and 107 in 10,000, respectively.
  • Screening increases life expectancy by approximately 96 days for a 20-year-old woman.

    • Conclusions:

    • Screening at least every three years between ages 20 and 65 is recommended for effective cervical cancer prevention.
    • Minor variations in screening initiation age or frequency yield less than 5% improvement in effectiveness.