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pp.175-180
Published Date 1959/3/20
DOI https://doi.org/10.11477/mf.1492202199

 Hearing tests conducted on 31 women who were in the third to ninth month of pregnancy showed that in 17% of cases the hearing acuity to be lowered by 15db to 20db. The loss below 20db was not found. In most cases the loss was noted in 6,000cps which was followed by 8,000cps and 4,000cps ; most individuls failed to note this loss subjectively. No definite relation was established between this loss and toxemia of pregnancy or lunar age of gestation.


Copyright © 1959, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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