Singing in Pregnancy May Be Harder Work
"In this study, researchers followed a professionally trained singer through 12 weeks of pregnancy and for 12 weeks after she gave birth. Once a week, the singer was recorded reading and singing into a device able to measure the pressure exerted to make each sound. This data was then matched with measurements of the singer's hormone levels."
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![](<a title="cord blood banking" href="http://www.brainshark.com/viacord/HeatherHill"target=_blank"><img src="http://www.hip-chick-pregnancy-guide.com/images/viacord.jpg"alt="viacord presentation">)
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