Boys-to Girls Ratio
NPR Research News, by Richard Knox
[www.npr.org]


More Boys Born Than Girls - New Report Documents Total
Gender Ratios At Birth From 1940 to 2002 By Center for
Disease Control National Center for Health Statistics, Jun 16, 2005
[communitydispatch.com]

The CDC Report being discussed in the above articles is:

Trend Analysis of the Sex Ratio at Birth in the United
States. NVSR Volume 53, Number 20. 18 pp. (PHS) 2004-1120
download PDF (1.4 MB ) at [www.cdc.gov]

Anotehr newspaper article is:

U.S. Baby Trend: More Boys Are Born Than Girls
Pattern Has Lasted Since 1940, Says the CDC
By Miranda Hitti, WebMD Medical News [my.webmd.com]