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Noise exposure during pregnancy and hearing in children

Study

© Emily Cahal - sxc.hu

A new cohort study has shown that noise exposure during pregnancy can damage the unborn child’s hearing, with an 80% increased risk in noisy occupational environments.

Until recently, it was assumed that unborn children where shielded from noise in the womb but it has been demonstrated that loud noise does in fact reach the fetus. The study carried out by the Institute of Environmental Medicine (IMM) at Karolinska Institutet, Stockholm, Sweden provides new evidence that women should avoid exposure to high levels of noise while they are pregnant.

The study, to be published in the journal Environmental Health Perspectives, included a cohort of over 1.4 million children born in Sweden between 1986 and 2008. Data collected included their mother’s occupation, smoking habits, age, ethnicity, body mass index, leave of absence, and socio-economic factors. Results showed that for the group of part-time and full-time workers, the adjusted hazard ratio (HR) for hearing dysfunction associated with maternal occupational noise exposure greater than 85 dB versus less than 75 dB was 1.27 (95% CI). For full-time workers as a group, the HR was 1.82 (95% CI).

“The Swedish Work Environment Authority recommendation is that pregnant women should avoid noise levels of over 80 dBA, but unfortunately this recommendation is not always followed,” says Jenny Selander, lead author for the study. “Our study shows how imperative it is for employers to observe this recommendation. Even if pregnant women themselves use ear protectors in noisy environments, the babies they’re carrying remain unprotected.”

Source: Karolinska Institutet; Selander J, et al. Maternal Occupational Exposure to Noise during Pregnancy and Hearing Dysfunction in Children: A Nationwide Prospective Cohort Study in Sweden. Environmental Health Perspectives 2015 Dec 8.

C.S.

“The future could be so bright we will need to wear shades”
“The future could be so bright we will need to wear shades”

Euha2017

© liusishan - iStock

Geoffrey Cooling, regular contributor to Audio Infos United Kingdom, shares with us some insights on how technology could transform the industry. As usual, the expert invites us to welcome new challenges with a smile.

62nd EUHA Congress and its AWN congress special are here!
62nd EUHA Congress and its AWN congress special are here!

EUHA 2017

For the 62nd international gathering of hearing care professionals from 90 countries, we bring you the fourth edition of our Audiology Worldnews EUHA Congress Special Issue.

Interview to Martin Blecker, EUHA President
Interview to Martin Blecker, EUHA President

EUHA 2017

The 62nd EUHA congress will start this Wednesday, October 18th, in Nuremberg. According to EUHA president Martin Blecker the main issues of this year's congress are nothing less than the future of hearing aid acoustics!

UK Audiologists on a mission in Armenia
UK Audiologists on a mission in Armenia

Initiative

Ian Croston and Jonathan Le Brun with a patient delighted to be hearing. © Starkey Hearing

Representatives of Starkey Hearing Technologies in the UK have taken a team of hearing care professionals on a hearing mission to Armenia.

Audiology delivers most cost-effective tinnitus therapies
Audiology delivers most cost-effective tinnitus therapies

© ands456- iStock

Study

A study funded by the British Tinnitus Association (BTA) into the healthcare cost of tinnitus management in the UK has calculated that the average cost of tinnitus treatment per patient per year is £717, equating to an NHS healthcare bill of £750 million per year.

Universal newborn hearing screening not enough to improve language skills
Universal newborn hearing screening not enough to improve language skills

© aluxum - iStock

NHS

Universal newborn hearing screening (NHS) is not sufficient to improve language skills in children who are deaf or hard-of-hearing, according to a new study carried out by researchers at Cincinnati Children’s Hospital Medical Center, Ohio (USA).

Phonak Audéo B-Direct "Made for All": a new era of connectivity
Phonak Audéo B-Direct

International launch

Thomas Lang, Senior Vice President Product Marketing ©D.K.

Denmark, home of Bluetooth, was the specifically chosen venue for the unveiling of the Phonak Audéo B-Direct. Hundreds of audiologists at the conference centre were joined by many more on the live streaming of the launch of a product Phonak say is Made for All.

Company Directory

New products

Widex announces the completely redesigned WIDEX CUSTOM™Widex announces the completely redesigned WIDEX CUSTOM™

On October 17, Widex announces the new WIDEX CUSTOM™ - a completely redesigned in the ear hearing aid with a 40% smaller engine compared to previous models.  [ ... ]

Sonic showcases newest additions to Enchant family at EUHA 2017Sonic showcases newest additions to Enchant family at EUHA 2017

Sonic will showcase the new rechargeable Enchant miniRITE with ZPower and versatile SoundClip-A at the annual EUHA congress in Nuremberg, Germany.  [ ... ]

power one: complete range of hearing aid batteries on show at EUHA 2017power one: complete range of hearing aid batteries on show at EUHA 2017

Every individual is unique, and hearing aid requirements are equally diverse. Factors such as lifestyle, leisure activities and age must all be taken into account to ensure everybody has the right energy solution for their device.  [ ... ]