Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Obstet Gynecol. May 10, 2017; 6(2): 8-15
Published online May 10, 2017. doi: 10.5317/wjog.v6.i2.8
Table 1 Ten most common birth defects and their prevalence rate at the Obstetrics and Gynecology Hospital of Fudan University, 2008-2014, n (%)
Birth defects2008200920102011201220132014Total (average prevalence)
Congenital heart disease26 (0.394)31 (0.470)28 (0.286)36 (0.280)29 (0.196)35 (0.232)44 (0.470)229 (0.277)
Polydactyly/syndactyly17 (0.258)27 (0.409)21 (0.215)35 (0.272)36 (0.243)41 (0.271)41 (0.410)218 (0.263)
Hypospadias14 (0.212)7 (0.106)10 (0.102)12 (0.093)19 (0.128)14 (0.093)11 (0.106)87 (0.105)
Orofacial clefts4 (0.060)11 (0.167)13 (0.133)5 (0.039)14 (0.094)15 (0.100)17 (0.167)79 (0.095)
Congenital ear malformations3 (0.045)9 (0.136)17 (0.174)13 (0.101)6 (0.041)6 (0.040)5 (0.136)59 (0.071)
Down syndrome1 (0.015)2 (0.030)4 (0.041)3 (0.023)10 (0.067)6 (0.040)2 (0.030)28 (0.034)
Strephenopodia/strephexopodia1 (0.015)5 (0.076)9 (0.092)3 (0.023)2 (0.014)3 (0.020)1 (0.006)24 (0.029)
intestinal atresia/stenosis5 (0.076)2 (0.030)5 (0.051)1 (0.008)3 (0.020)6 (0.040)2 (0.012)24 (0.029)
Chromosomal disease5 (0.076)0 (0)1 (0.010)1 (0.008)0 (0)5 (0.033)4 (0.023)15 (0.019)
kidney malformations2 (0.030)2 (0.030)2 (0.020)0 (0)0 (0)0 (0)7 (0.041)13 (0.016)
Number of births6596660297861284414832151101704482814