URMC / Encyclopedia / Collection Birth Defects and Genetic Disorders Anorectal Malformation in Children Birth Defects in Children Down Syndrome (Trisomy 21) in Children Diaphragmatic Hernia in Children Hydrocephalus Hypospadias in Children Omphalocele Pyloric Stenosis Spina Bifida in Children Trisomy 13 and Trisomy 18 in Children Turner Syndrome (Monosomy X) in Children Cleft Lip and Palate in Children Developmental Dysplasia of the Hip in Children Clubfoot in Children Open Neural Tube Defects (ONTDs) in Children Birth Defects in Newborn Babies Inguinal and Umbilical Hernias in Children