The sound level to the baby is strictly controlled for both pitch and volume. Dr. Logan spent many years studying the normal environment of the developing baby, and BabyPlus® is carefully designed to present sounds to the prenatal infant at a very safe but audible level.Normal sounds in a mother's environment, such as television, loud remarks, and traffic, reach the fetus at volumes similar to that of her heartbeat yet the baby still sleeps through
it most of the time, even though its brain is monitoring the sound. BabyPlus is designed to produce an external sound of about 105 decibels, which is then reduced by 30-35 decibels as it is filtered through the mother's abdominal wall, reaching the unborn infant at 70-75 decibels, well below the sound level of the mother's blood.BabyPlus therefore has a scientifically engineered sound ceiling which is always less that the natural sonic environment of the womb. More than 150,000+ families worldwide have attested to its safety and effectiveness. Over stimulation does not occur because the sound is so familiar to the developing baby. The tones are natural and the sound level is safe. Of the 150,000+ BabyPlus children born to date, there has never been a case of hearing damage--or any other detrimental effect from the product.

Think about it - your baby is not in a sound-proof booth! Baby is hearing so much during the prenatal months - why not use sounds that are scientifically proven and researched???
I know this sounds very "science-y" - but the truth is, the BabyPlus is an unbelievable way of enabling your child to have the ability to learn easily and well throughout his or her life. What parent wouldn't want these benefits?
Comments for BabyPlus - how the sounds work - Part Two (this is the "science-y" part!)