Seeing double? Number of twins in U.S. spikes
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| The number of twins born to American women has risen dramatically over the past three decades - more than 75 percent, a new government study shows. |
The number of twins born to American women has risen dramatically over the past three decades - more than 75 percent, a new government study shows. read more..
source:http://on.msnbc.com/wJ8Wf5
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