Instructions and Suggestions for use


How does a Doppler work?
A Doppler sends high frequency signals (ultrasounds = non audible sounds) and receives signals (audible) containing processed information.
The technique is the same as that used in ultrasound scans but in our case, the power used is extremely low, as we have only audio and not video information.
These reflected sound waves (signals) contain information that makes it possible to hear various sounds coming from the uterus, including the baby’s heartbeat.

Is a Doppler safe?
Our Dopplers use the same technology as those used by midwives and doctors in various checks during pregnancy.
Dopplers have been used throughout the world for more than 30 years and have an incredible safety record. About 5 million Dopplers are used every day and no undesired effects have ever been discovered either in babies or their mothers.
Our Dopplers should not be confused with ultrasound scans that also show images of your baby. Our Dopplers, which run on a simple battery, use extremely low-power ultrasounds and this is why they can be used domestically.

Some practical advice:

The simplest way to find out how best to listen to your baby’s heartbeat is to take your Doppler along with you to a visit to your gynaecologist or midwife so that they can give you some suggestions on how to find it.

A full bladder can help to improve the sounds heard, especially in the early stages of pregnancy.

Before using Cuore di Bimbo - AngelSounds it may be useful to eat something sweet.

The Doppler should be used slowly and after each movement you should stop for a few seconds for a good reflected signal.

Given that the baby moves around and is often not in the same position, after a while a new search may be necessary. Don’t panic if you can’t hear your baby’s heartbeat immediately. Some days it may be more difficult than others because the baby is hidden.

If during the pregnancy you should feel ill, feel something is not quite right, you lose blood or can’t feel the baby moving for a few days in a row, check with your midwife or gynaecologist or otherwise, go to your nearest hospital immediately.

The Doppler is intended for domestic and personal use only.
It should not in any way replace the role of your doctor.

To record:

To record the heartbeat, all you have to do is connect one end of the cable supplied to either of the two sockets on Cuore di Bimbo - AngelSounds and the other to the recorder or audio input socket on your computer. At the same time, it is possible to record the mother’s heartbeat that has a soothing and calming effect on the baby if played to it after birth.


Thanks to Cuore di Bimbo - AngelSounds it is possible to listen to the baby’s heartbeat from as early as the twelfth week. Although this should be considered “very early”, some future mothers have succeeded. However, not being able to hear your baby should not be cause for concern to mothers as the ideal period for starting to hear the heartbeat is around the 14th / 15th week.

To listen:

For the best results we recommend positioning it in a very quiet room.

  1. Open the flap door under Cuore di Bimbo - AngelSounds, pull out the 9 volt battery supplied and remove the protective film. Connect the battery to the clips, replace it and close the flap.
  2. Insert the headphones supplied in either of the two sockets. Another set of standard headphones can also be used.
  3. Place abundant gel fairly low down on the pubic area. This position should be moved upwards as the weeks pass.
  4. Place Cuore di Bimbo - AngelSounds(either turned on or off) on the gel.
  5. If necessary, turn it on and adjust the volume to the maximum setting by turning the knob clockwise.
  6. Wait for about ten seconds and start to listen.
  7. If you can only hear a rustling sound, move Cuore di Bimbo - AngelSounds slowly left 2 cm at a time and stop to listen for ten seconds after each movement. Repeat at the centre and then on the right, moving very slowly and stopping to listen for ten seconds each time until you find the baby’s position and can hear its heartbeat.
  8. Do not confuse your heartbeat with the baby’s. The baby’s heartbeat is much faster than yours and sounds like a horse galloping. The baby’s heartbeat is between 120 and 160 beats per minute; however it is not always constant and varies depending on the time of day, the baby’s movement and the mother’s mood and humour.
  9. Adjust the volume for the best audio.

Where to position Cuore di Bimbo - Angelsounds
12 weeks
18 weeks
24 weeks
30 weeks
36 weeks
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