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Int. J. Environ. Res. Public Health 2018, 15(2), 380; https://doi.org/10.3390/ijerph15020380

Prevalence of Oral Clefts among Live Births in Gansu Province, China

1
Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China
2
Department of Child, Adolescent, and Women’s Health, School of Public Health, Peking University Health Science Center, Beijing 100191, China
3
Institute of Reproductive and Child Health, Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
4
Office for National Maternal and Child Health Statistics of China, School of Public Health, Peking University Health Science Center, Beijing 100191, China
*
Author to whom correspondence should be addressed.
Received: 6 January 2018 / Revised: 12 February 2018 / Accepted: 12 February 2018 / Published: 23 February 2018
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Abstract

Background: Oral clefts (OCs) are common human birth defects. Children with OCs in underdeveloped regions are more likely to suffer from poverty and hardship in their future lives. Here, we attempted to estimate the prevalence of OCs among live births in Gansu Province in 2008 to understand the epidemiologic pattern of the disease. Methods: A cross-sectional study was conducted from January 2008 to December 2008 in Gansu Province. The live births delivered between January and December 2008 with OCs were investigated through face-to-face questionnaire survey. Results: A total of 468 infants with OCs were identified among 347,137 live births in 2008 in Gansu Province, which yielded a prevalence of 1.35 per 1000 live births. The majority of these cases were CL (cleft lip) (prevalence = 0.85 per 1000 live births), and the prevalence of CLP (cleft lip and palate) and CP (cleft palate) was 0.34 and 0.11 per 1000 live births, respectively. We also found that the prevalence of OCs in Jiayuguan (3.39 per 1000 live births) and Dingxi (2.71 per 1000 live births) was higher than those of other cities in Gansu Province. Additionally, we failed to detect significant correlation between economic conditions of the cities and the prevalence of OCs in our study. Conclusions: The prevalence of OCs among live births in Gansu Province in 2008 was higher than the prevalence of OCs in other provinces in China. The high prevalence may reflect the need for further etiological studies to explore the potential risk factors in this region. In addition, more subtype information needs to be collected in future prevalence studies for better understanding of the epidemiologic pattern of the disease. View Full-Text
Keywords: oral clefts; live births; prevalence; cross-sectional study oral clefts; live births; prevalence; cross-sectional study
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Wang, M.; Meng, R.; Wang, Z.; Liu, D.; Huang, H.; Kang, C.; Li, H.; Wu, T.; Zhan, S. Prevalence of Oral Clefts among Live Births in Gansu Province, China. Int. J. Environ. Res. Public Health 2018, 15, 380.

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