Results of hearing tests of newborns born to mothers infected with coronavirus disease 2019 (COVID-19): an experience in a tertiary center in Turkey

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J Obstet Gynaecol Res. October 16, 2021. doi: 10.1111 / jog.15008. Online ahead of print.

ABSTRACT

OBJECTIVE: Congenital infections can cause hearing loss in newborns. Although vertical transmission of 2019 coronavirus disease (COVID-19) infection is theoretically possible, this has not yet been proven. To our knowledge, there are no previous reports indicating whether infection with COVID-19 during pregnancy can cause congenital hearing loss. This article aimed to find an answer to this question.

Method: This single-center retrospective study was carried out between April 2020 and May 2021 in a tertiary care referral center in Turkey. A total of 422 pregnant women who had a coronavirus infection during pregnancy were followed and 203 of them gave birth in our establishment. The hearing screening test results of 199 newborns were retrospectively evaluated.

RESULTS: Of the patients included in the study, 23 (11.6%) had the disease in the first trimester, 62 (31.2%) in the second trimester and 114 (57.3%) in the third trimester. In the first hearing test performed on newborns, one-sided deafness was observed in 21 babies (10.5%). The hearing tests of these newborns were found to be normal during the second test carried out 15 days later.

Conclusion: Given the incidence of congenital hearing loss, the absence of hearing loss in our newborn population does not support the argument that coronavirus infection does not cause congenital hearing loss. This problem should be evaluated with larger series of patients. In addition, it should be remembered that hearing loss can also occur at an older age.

PMID: 34655257 | DOI: 10.1111 / jog.15008


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