The Prevalence of Different Types of Cleft Lip and Palate and Related Factors Among Newborns in North Khorasan Province, 2016 - 2017

Introduction: Cleft lip/palate is the most prevalent congenital anomaly of the head and neck area. This problem has a multifactorial nature and the causing factors have not yet been fully known. 60 percent of cleft lip is accompanied with cleft palate. The prevalence rate of this anomaly is estimated 1 in 700 people due to several studies. Methods: In this cross-sectional study data of the neonates born with cleft lip/palate during 2016-2017 in hospitals of North Khorasan province was collected. To extract the data, in every hospital which has a Maternity ward the birth registration book and the patients file were checked. Data of neonates was collected. The data was analyzed in SPSS version 23. Results: Out of 31724 neonates checked in this study 22 had cleft lip and/or palate. Seven cases were boys and 15 were girls in which there was not significant differences P = 0.58. Maternal use of drugs was not different among affected babies. Parity and maternal age was not associated with prevalence rate of cleft palate and/or lip. Conclusions: Prevalence of this malformation in North Khorasan province during 2016 and 2017 was 0.69 per 1000 births. There was no significant relation between cleft lip and/or palate and gender.