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twin sisters
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Twin Sisters

Delivery interval
A 15-year German study of 8,220 vaginally delivered twins (that is, 4,110 pregnancies) in Hesse yielded a mean delivery time interval of 13.5 minutes. The delivery interval between the twins was measured as follows:

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Filename:286610.jpg
Album name:People & Humanity
Rating (1 votes):55555
Keywords:#twin #sisters
Filesize:53 KiB
Date added:Jun 24, 2010
Dimensions:403 x 600 pixels
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URL:displayimage.php?pid=286610
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