Look Who's Listening Too

Mothers have long tried to stimulate their unborn children. Now a cardiac curriculum does the same thing.

Sometimes new parents can't wait to give their children a head start in life. They begin before the baby is even born. In hopes that sounds will somehow influence the fetus in their womb, zealous moms-to-be have attended classical concerts or kept tunes playing constantly at home. Now there is an updated, high-tech version of that technique: a contraption that delivers complex sonic patterns to unborn children, to excite the fetal nervous system and exercise the baby's brain.

The essence of the $250 system is simple: a belt, with two speakers in a pouch, to be fastened around the mother's abdomen....

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