This is roughly as loud as operating a chainsaw. Based on this, some experts think that pregnant women should not be routinely exposed to noise louder than 115 dBA. Sounds from outside the motherвЂ™s body are quieter inside the womb.A babyвЂ™s ears are mostly developed by about the 20th week of pregnancy, and babies start responding to sounds around the 24th week. Noise travels through the body to the womb. Your hearing protection will not fully protect your developing babyвЂ™s ears from noise.Protect your developing baby from very loud noise:.Ask your supervisor what the noise level is where you work.Your stress can cause changes in your body that can affect your developing baby. While your hearing protection wonвЂ™t protect your developing baby from loud noise, too much noise can cause you stress.Most workplace noise levels are less than 95 dBA. At this noise level, you would have to raise your voice to be heard by someone next to you. For adults, noise that is 85 decibels (dBA) or more can be hazardous to your hearing.You should use hearing protection to protect your own hearing by wearing hearing protection (like ear plugs) if you are exposed to loud noise.What can I do to reduce my hazardous noise exposure? We donвЂ™t know for sure what levels of noise are safe for a pregnant woman and her baby, although experts have suggested guidelines based on what we know about how sounds travel through the body.If you work in a noisy job and have a baby with hearing problems, we may not be able to tell if the hearing problems were caused by your job or by something else.

We donвЂ™t always know what causes hearing problems in babies.

Many women work in noisy jobs, especially women who work with machines, guns, loud music, crowds of people, sirens, trucks, or airplanes.

Hearing protectors (ear plugs or earmuffs) can protect your hearing, but if youвЂ™re pregnant the only way to protect your babyвЂ™s hearing is to stay away from the loud noise as much as possible.

Although this sound will be muffled in the womb, very loud noises may still be able to damage your babyвЂ™s hearing.

Sound can travel through your body and reach your baby.

This can cause changes in a pregnant womanвЂ™s body that can affect her developing baby.

Increased noise levels can cause stress.

Here, you can learn more about noise at work and what you can do to reduce your exposure for a healthier pregnancy. When the noise level is very high, like a jackhammer or at a rock concert, it may increase your chances of having a baby with hearing problems. Working in a noisy job when youвЂ™re pregnant can affect your hearing and increase your stress levels.

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