Electronic fetal heart rate monitoring and its relationship to neonatal and infant mortality in the United States.

ity as opposed to high specificity as we did not want women with bleeding disorders to be missed for further testing at the initial stage of evaluation. A sequential approach with an initial highly sensitive screen is a common approach and takes into ccount the fundamental differences between screening and iagnostic testing. We believe that the likelihood ratio should be applied for the posttest probability of a clinical diagnosis of a bleeding disorder after diagnostic laboratory testing and a comprehensive bleeding history is performed. We believe the screening tool has potential use as an initial screen in gynecology practice to improve hematology referral of a large multiracial menorrhagia population. f