OBGYN & Reproduction Week
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Epidemiology
CDC report documents total sex ratios at birth in the U.S. from 1940 to 2002
July 4th, 2005
For the 63rd year in a row, the number of boys born in the United States outnumbered births of girls: in 2002, 94,232 more boys than girls were born. This is the central finding of a new U.S. Centers for Disease Control and Prevention (CDC) report that examines total sex ratios at birth for over 6 decades. The total sex ratio is the number of male births divided by female births times 1,000. Other findings of the report: * Since 1940, an average of 91,685 more male babies have been born each year than females, a total of 5,776,130 over that 63-year period. * The highest sex birth ratio occurred in 1946 (1,059...
Source: OBGYN & Reproduction Week (2005-07-04)
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