Can Loud Noises Hurt your Unborn Baby?

Can Loud Noises Hurt your Unborn Baby? — After 23 weeks of gestation, the foetus can listen and respond to the sounds coming from outside  the womb, therefore, its developing ears are vulnerable to high-pitched and discordant sounds.

Gunjan Rastogi
PregnancyWritten by: Gunjan RastogiPublished at: Apr 22, 2013Updated at: Apr 25, 2013
Can Loud Noises Hurt your Unborn Baby?

Can Loud Noises Hurt your Unborn Baby

Many scientific studies have shown that a 23-week old foetus can listen to the sounds outside the womb. It can listen to your voice, your heartbeat and even the music you listen to. While, the melodious and soft sounds are comforting, cranky and loud  ones can cause trouble to your unborn baby.


[Read:Correct Way to Set Headphones on the Tummy for the Foetus]

Frequent exposure to such noises put you and your foetus at a risk of developing hearing and other health problems.  The loud noises can be referred to  the sound of airplanes, high volume of music, rock concerts, shifting of heavy things and workplace related noises such as sound of machineries. Read through the article to know how loud noises can harm your unborn child.

Loud Music during Pregnancy

Prolonged exposure to sounds exceeding  90 to 100 decibels may elevate your unborn baby’s risk of hearing loss. Besides that it increases your chances of having a premature delivery and giving birth to a low-birth weight baby. Even if a foetus is exposed to the sounds ranging from 150 to 155 decibel for short span of time, it can develop the similar problems.  The loud noise can alarm the foetus resulting in some unusual activity inside the womb.


[Read: Brain Development of Premature Babies]


While loud noises can potentially damage your babies hearing capability even before it develops completely, soft and pleasing sounds  seem soothing to your unborn baby. Listening to music at a range of 70 decibel  or lower  may effectively ease your overactive foetus inside the womb. According to Baby Center Website, a pregnant woman should avoid discordant music at any volume, as the studies conducted on animals have shown that listening to this kind of music during pregnancy can lead to changes in foetus’s brain structure.

Is your Baby in the Womb protected against loud sounds?

The walls of the uterus, fat and muscles present in the abdominal cavity and also the fluid around the uterus lower the loud sound waves before they hit your foetus’s undeveloped ears. The amniotic fluid fills your baby’s ears to prevent its eardrums from amplified  and high-pitched sounds. This significantly prevents your baby’s hearing capability from damaging permanently even before birth. Not only high-pitched sounds, even low-pitched sounds are appropriately modified by the amniotic fluid before they reach your unborn baby’s ears.

Until now effect of music hasn’t been  studied well on unborn human babies, , thus various aspects of how high-pitch sound can  hurt a baby and its development remains undiscovered.


Read more articles on Pregnancy.