Some people believe that playing your unborn child music while in the womb will improve his memory.
Since this melody, it even encouraged better sleep.
If you're up for giving it a try, check out the $55 Lullabelly prenatal music belt.
Connect it with an mp3 player or phone to play your own customized playlist to your little one.
The $30 Bellybuds are a less bulky and more discreet option.
The adhesive speakers stick to a pregnant woman's belly so music can be piped directly into the womb.
Through the website, parents and other loved ones can even record their own voices that could be easily be downloaded and played through the Bellybuds.
Next up is $150 baby plus and its prenatal curriculum designed to give your baby a healthy cosmetive start in this world.
The mother to be wears the plastic disk against her belly twice a day as it emits different patterns of sounds.
To developing fetus.
Before you begin using any of these products during your pregnancy, be sure to consult with your doctor.
In San Francisco, I'm Kara Tsuboi, cnet.com for CBS News.
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