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World J Pediatr. 2016 Aug;12(3):360-363. doi: 10.1007/s12519-016-0029-7. Epub 2016 Jun 29.

Are incidence and severity of clubfoot related to the season of birth?

Author information

1
Department of Pediatric Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.
2
Department of Pediatric Critical Care Medicine, Shanghai, China.
3
Department of Pediatric Orthopedics, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China. orthzl@126.com.
4
Department of Rehabilitation Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.

Abstract

BACKGROUND:

This study was designed to determine whether the occurrence of clubfoot follows a seasonal pattern in neonates from eastern and south-eastern China and to speculate the potential etiology of clubfoot.

METHODS:

We reviewed 239 neonates with clubfeet during a period of 4 years as well as the monthly neonatal population of the Sixth National Population Census. Seasonal variations in terms of month of birth and severity were analyzed.

RESULTS:

The incidence of clubfoot in neonates from eastern and south-eastern China showed seasonal variations, and the incidence was higher in autumn with a reference to the average birth rate in this corresponding area. No significant difference was found in severity of clubfoot.

CONCLUSIONS:

This seasonal pattern is of significant value to further understanding the etiology and pathogenesis of clubfoot in the corresponding area of China.

KEYWORDS:

clubfoot; etiology; seasonality

PMID:
27351571
DOI:
10.1007/s12519-016-0029-7
[Indexed for MEDLINE]

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