Study: Two-Thirds of OB-GYN Clinical Guidelines Have No Basis in Science

Majority of ACOG Recommendations for Patient Care Found to Be Based on Opinion and Inconsistent Evidence

WASHINGTON, D.C. (August 15, 2011)—A study published this month in Obstetrics & Gynecology, the journal of the American College of Obstetricians and Gynecologists, found that barely one-third of the organization’s clinical guidelines for OB/GYN practice meet the Level A standard of “good and consistent scientific evidence.” The authors of the study found instead that the majority of ACOG recommendations for patient care rank at Levels B and C, based on research that relies on “limited or inconsistent evidence” and on “expert opinion,” both of which are known to be inadequate predictors of safety or efficacy.

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