Sunday, January 8, 2012

Birth of Twins in USA swells twofold in last three decades

[ via The Express Tribune ] 8 Jan


The number of twins born in the United States has doubled in the last three decades largely as a result of fertility treatments, with one in 30 infants born in 2009 a twin, Express Tribune reports quoting the Centers for Disease Control and Prevention.
“The increases are quite widespread, affecting all age groups and all parts of the country,” said Joyce Martin, a CDC epidemiologist and coauthor of the new study.
More than 137,000 twins were born in the United States in 2009, accounting for one in every 30 babies. That compares to 68,339 twins born in 1980 when just one in 53 infants born was a twin, the CDC said Wednesday.

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