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Click here for Chinese FAQs/中文版常見問題(FAQs)

1. Why should I use BabyPlus®?

The real question is, "Why wouldn't you use BabyPlus®?" It is safe, based on principles of neuroscience, and has been used by parents around the world for many years. Most importantly, the benefits are remarkable. Using the BabyPlus prenatal education can ease everything from baby sleep training to early learning and bestow lifelong benefits upon your child.

In order to give your child every advantage, you already take special care while you're pregnant: eating right, taking a prenatal vitamin, avoiding toxins, and making conscientious dietary choices on behalf of your baby. Your child's brain development begins during these very same earliest months and deserves the same attention and prenatal care as you give to her physical development.

2. Is it safe?

Yes it is.The volume level of our prenatal sound system is controlled and safe.

From reading aloud to playing music for babies in the womb, parents have been offering various forms of prenatal stimulation to their children for hundreds of years. BabyPlus® simply represents the evolution of this sound and auditory enrichment during pregnancy with a proven curriculum that provides the most measurable cognitive advantages for a child.

Decibel (dB) Ratings and Hazardous Time Exposures of Common Noises

Typical Decibel

Example of Sounds


Lowest sound audible to the human ear


Normal breathing


Whispering at 5 feet


Quiet library, soft whisper


Living room, quiet office, bedroom away from traffic


Light traffic at a distance, refrigerator, gentle breeze


BabyPlus when it reaches the prenatal child through the maternal abdomen


Air conditioner at 20 feet, conversation, sewing machine


Busy traffic, office tabulator, noisy restaurant. At this decibel level, noise may begin to affect your hearing if you're exposed to it constantly

The Hazardous Zone


Subway, heavy city traffic, alarm clock at two feet, motorboats (85 to 115 dBA), factory noise. These noises are dangerous if you are exposed to them for more than eight hours.


Truck traffic, motorcycles (95 to 120 dBA), snowmobiles (99 dBA), noisy home appliances, shop tools, lawn mower. As loudness increases, the “safe” time exposure decreases; damage can occur in less than eight hours.


The womb's continuous maternal blood pulse sound level


Chain saw, stereo headphones (105 to 120 dBA), pneumatic drill. Even two hours of exposure can be dangerous at 100 dBA, and with each 5 dBA increase, the “safe time” is cut in half.


Video arcades can be this high.


Rock band concert in front of speakers, health clubs, aerobic studios, sandblasting, thunderclaps, movie theaters (up to 118 dBA), sporting events (up to 127 dBA). The danger is immediate: at 120 dBA mere exposure can injure your ears.


Children's toys that emit sounds (135 to 150 dBA), percussion section at a symphony, stock car races, jackhammer, power drill


Gunshot (150 to 167 dBA), airplane taking off, “Boom Cars” (140 dBA and beyond), bicycle horn. Any length of exposure time is dangerous; noise at 140 dB may cause actual pain in the ear.


Jet engine taking off, firecrackers (range from 125 to 155 dBA at an average distance of 10 feet), cap gun, balloon pop


fireworks (at 3 feet), rifle shot, handgun




Rocket launching pad. Without ear protection, noise at this level causes irreversible damage: hearing loss is inevitable.

Information provided by the American Academy of Otolaryngology-Head and Neck Surgery Inc., Washington, D.C. and League for the Hard of Hearing.


3. When should I start using BabyPlus® Prenatal Education System?

Ideally, you may begin using BabyPlus® anytime after 18 weeks of pregnancy. BabyPlus® is designed to be used for a total of one hours each day.  To determine how many days to stay on each lesson, please refer to the chart below only once when you begin BabyPlus®.  As a general guideline, the earlier in your pregnancy you begin BabyPlus®, the longer number of days you will play each lesson, before advancing to the next lesson. There are 16 BabyPlus® lessons total to play over the duration of your remaining pregnancy.

The following chart is a guide to help you determine your start date and the corresponding schedule of the lessons. Please reference your start date only. Your start date will indicate the number of days you should use each lesson throughout your pregnancy.  
Once you calculate the number of days per lesson you will not need to calculate again.  You will continue with each lesson for the same number of days throughout the pregnancy. 

 Find the week you are
 starting to use BabyPlus 
 This will be the number of days you will use each lesson  
18th week of pregnancyright-arrow5.jpgUse each lesson 9 days
19th week of pregnancyright-arrow5.jpgUse each lesson 9 days
20th week of pregnancyright-arrow5.jpgUse each lesson 9 days
21st  week of pregnancyright-arrow5.jpgUse each lesson 8 days
22nd week of pregnancyright-arrow5.jpgUse each lesson 8 days
23rd week of pregnancyright-arrow5.jpgUse each lesson 7 days
24th week of pregnancyright-arrow5.jpgUse each lesson 7 days
25th week of pregnancyright-arrow5.jpgUse each lesson 6 days
26th week of pregnancyright-arrow5.jpgUse each lesson 6 days
27th week of pregnancyright-arrow5.jpgUse each lesson 5 days
28th week of pregnancyright-arrow5.jpgUse each lesson 5 days
29th week of pregnancyright-arrow5.jpgUse each lesson 5 days
30th week of pregnancyright-arrow5.jpgUse each lesson 4 days
31st week of pregnancyright-arrow5.jpgUse each lesson 4 days
32nd week of pregnancyright-arrow5.jpgUse each lesson 3 days
33rd week of pregnancyright-arrow5.jpgUse each lesson 3 days
34th week of pregnancyright-arrow5.jpgUse each lesson 3 days
35th week of pregnancyright-arrow5.jpgUse each lesson 2 days

4. Is there any chance of over-stimulation?

No! The sounds of BabyPlus® are designed to play at a safe and comfortable level. Your baby may respond by movement or kicking depending on their temperament. This is a normal response to any kind of stimulation, including prenatal music, and can create an enjoyable, bonding routine for both baby and mother.

5. How do the BabyPlus® sound lessons help my baby?

The BabyPlus® sound lessons are created in the very language of the prenatal time period. The only natural and consistent ambient womb music heard by a developing baby is the maternal heartbeat. It is genuinely the ‘language’ of a prenatal child. By introducing to him sounds which closely resemble the maternal heartbeat, but which vary in subtly increasing ways, parents can help their child and promote one of the most basic skills of all: comparing and contrasting. It is a very similar enrichment to language immersion later in life. This auditory exercise, over time, strengthens early cognitive development.

6. Does the mother's heartbeat conflict with the BabyPlus® sounds?

Obviously both sounds are occurring at the same time, but it is as if a child is listening to two different rhythms being played simultaneously on two sets of instruments. He or she can listen selectively to one or the other and clearly hear the difference. Again, this process is very similar to language immersion and has a very similar benefit.

7. Why use simple heartbeat sounds?

The sound of the maternal heartbeat is the single driving and consistent 'language' of a baby's prenatal environment. The auditory surroundings of a baby during these months of development are now known to be very influential, but the sounds need to be 'relative' or similar to his or her early natural surroundings.

8. Can BabyPlus aid mother-child bonding?

There are two primary ways in which using BabyPlus® enhances bonding between a pregnant mother and her prenatal child. First, the physical act of stimulation occurring daily (particularly if provided at the same time of day) becomes a consistent routine that encourages and fosters bonding.

A mother's stress level is reduced as she takes this time each day to truly focus on her developing baby. Naturally, while such bonding is most common between a mother and her baby, a father, siblings, and extended family can also share in this rewarding bonding time.

9. Isn't playing music or speaking to your unborn child just as effective as BabyPlus®?

Every prenatal child experiences a sonic environment - outside voices, television, radio, CDs, all passing through the abdominal wall (which lowers their volume by about 35 decibels, and muffles these sounds, much like listening underwater), but the most dominant pre-natal sound is mother's blood pulsing constantly past the womb at 95 decibels, as loud as a rock band. Even so, the baby still sleeps about 80 percent of each day.

Researchers note that to promote our beginning pattern recognition, such basic stimuli must be very simple and repetitive, something which neither speech nor music for the womb can accomplish. Even nursery tunes designed for use as music for babies in womb - let alone Mozart - are simply too complex to register, and standard comparative clinical trials do verify.

The BabyPlus® tones increase in speed and tonal complexity by increments, with what is called a curriculum (that which all age-appropriate education is based upon), and nothing except these slight changes in the maternal blood pulse can appropriately provide the most elementary patterns at this early stage. Pattern recognition is especially important since all information after a full-term birth will never be acquired through the same comprehensive process as BabyPlus® utilizes.

In short, all babies are exposed to speech and prenatal music, but these pass by them as white noise, with no longer-term cognitive impact. This has been repeatedly verified in independent testing when compared with BabyPlus® and a control group. This breakthrough discovery is reported fully in peer-reviewed academic journals, as BabyPlus® has become the only effective and safe way to enrich your prenatal child's forming cognitive and critical learning skills.

10. Can I use BabyPlus® more than twice a day?

It is recommended that BabyPlus® is played for just one hour a day. Also, using BabyPlus® at a consistent time each day helps create and reinforce dedicated bonding time between a mother and her little one. Playing BabyPlus® more than one hour a day will not add more benefits.

11. My BabyPlus® is not working properly, won't come on or comes on intermittently.

The BabyPlus® unit is a very reliable prenatal sound system. Occasionally a problem can occur, and it is usually a battery issue.

There are several remedies you may want to try. First, be sure you have a fresh set of batteries. The BabyPlus® player requires new batteries every 7-10 days to operate at optimum performance. Even batteries purchased new at the store could be old. Always check the date to ensure freshness. We recommend a high quality, name brand battery, such as the Duracell brand, for optimum performance. We do NOT recommend rechargeable batteries.

You can also check the battery contacts. If they are no longer a tight fit, you can remove the batteries and gently pull the contacts a bit with a tweezers or paperclip to create a tighter fit. Also, look for any corrosion, and clean if needed.  A "b" on the LCD screen is an indication of low battery life and means that the batteries should be changed. The system may even show a flashing "b" and reset to Lesson 1. This is also an indicator to change the batteries. 

Remember, always store any electronic device with the batteries removed.

12. My BabyPlus® player shows a "b" and resets to "01" on the screen.

Both of these factors indicate that your batteries are getting too low. When the battery life is this low, a small "b" can be seen on the left of the LCD screen and many times the player will also reset to Lesson "01" with this low battery life. Simply replace your batteries and always use a high quality battery such as Duracell. Rechargeable batteries are NOT recommended.

13. Can I have extra lesson calendar?

Click here for the babyplus calendar.pdf

14. I'm too small for the Comfort Pouch belt. Can it be re-sized?

If you have adjusted your comfort pouch to the smallest size and it is still not small enough, you can simply work the adjuster over the seam that joins the elastic to the webbing. It will take a bit of manipulating, but once it is over the seam it will have the ability to adjust the belt as small as 31”. Be sure to work the seam through both openings in the adjusters.

15. How do I store my BabyPlus® between pregnancies?

Take care to store your BabyPlus® System in a dry location at room temperature.  Be sure to remove batteries before storing for an extended period of time (ie: between pregnancies). This will prevent batteries from corroding the contacts.

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