HCR Update from Mark Sanna: The percentage of newborn boys who are circumcised in the United States declined to 58.3% in 2010 from 64.5% in 1979, according to a new from the National Center for Health Statistics. The report is based on annual surveys of about 450 hospitals nationwide. There are regional variations as well. In 2010, about 71% of babies in the Midwest were circumcised, 66.3% in the Northeast, 58.4% in the South, and 40.2% in the West.