Washington University School of MedicineInfant Behavior and Development, Volume 3: Pages 1-14, 1980.
Washington University School of Medicine
Twenty-six newborn infants were randomly assigned to an early (2 day) and delayed (3 week) circumcision group. Each infant was examined three times using the Brazelton Neonatal Behavioral Assessment Scale (NBAS) in which the examiner was blind to the circumcision status of the subject. A reduction scale was derived from the NBAS examination were assigned to the behavioral categories of average, subdued, or hyperactive. Nearly 90 percent of the early circumcision group changed behavior categories after circumcision for at least four hours compared to 16 percent of the delayed group. The implications of these results and the details of the reduction scale are discussed.
*Requests for reprints should be sent to Richard E. Marshall, Department of Pediatrics, St. Louis Children's Hospital, 500 S. Kingshighway, P. O. Box 14871, St. Louis, Missouri 63178.
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