BACKGROUND: Sudden sensorineural hearing loss (SSNHL) may occur during pregnancy with a rare prevalence, and little is known about it. AIMS: To retrospectively analyze cases of SSNHL during pregnancy and investigate their clinical characteristics, management and outcome. MATERIAL AND METHODS: Records of 30 SSNHL patients during pregnancy were reviewed, including age, localization, duration from onset to treatment, gestation period, accompanying symptoms, initial hearing threshold, final hearing threshold, audiogram, treatment and outcome. RESULTS: Twenty-four patients (80.0%) suffered SSNHL in...