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Year : 2017  |  Volume : 33  |  Issue : 1  |  Page : 84-88

Seasonality sway birth and hearing loss?

Department of Audiology and Speech Language Pathology, Nitte Institute of Speech and Hearing, Mangalore, India

Correspondence Address:
Teja D Dessai
Department of Audiology and Speech Language Pathology, Nitte Institute of Speech and Hearing, Medical Science Complex, Nithyananda Nagar, Derelakatte, Mangalore - 575 018, Dakshin Kannada
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1012-5574.199418

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Background Birth is a biological process that involves the emergence of an offspring. A seasonal variation in the frequency of births is reported as a universal phenomenon in the human population. In review to outline of birth, newborns may yield seasonality in the occurrence of congenital hearing loss. Congenital hearing loss is one of the most common birth defects affecting ∼3/1000 newborns. Aim The aim of this study was to rule out seasonality of birth and percentage of hearing loss in early days of newborns. Patients and methods Seasonality of birth was analyzed across the years and newborns born per month were numbered to surpass the subjective and objective Universal Neonatal Hearing Screening Program before 1 month of age.Combined results of the subjective and objective tests were analyzed and compared to make the final decision as Pass or Refer. Results Statistical analysis revealed that birth frequency and newborn hearing loss do not follow seasonality pattern. Conclusion Similarly, there was no correlation between the birth frequency and percentages of newborns with refer impression.

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