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7 Shocking Discoveries About Pregnancy

Pregnancy gets weirder as we get rounder. What really goes on under wraps during those nine-plus months? Here are seven discoveries nobody really expects when she's expecting.
02/19/2012 03:07am ET | Updated April 19, 2012
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Pregnancy gets weirder as we get rounder. What really goes on under wraps during those nine-plus months? From a hidden bias involving swelling bosoms to fetal cells in maternal brain, scientists have found a mother lode of surprising phenomena. Here are seven discoveries nobody really expects when she's expecting.

7 Pregnancy Shockers

Pregnancy gets weirder as we get rounder. What really goes on under wraps during those nine-plus months?