Births with congenital anomalies reported in Arizona

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Definitions: Congenital anomalies of child
Anencephalus – Absence of the cerebral hemispheres.
Spina bifida/meningocele – Developmental anomaly characterized by defective closure of the bony encasement of the spinal cord, through which the cord and meninges may or may not protrude.
Hydrocephalus – Excessive accumulation of cerebrospinal fluid within the ventricles of the brain with consequent enlargement of cranium.
Microcephalus – A significantly small head.
Other central nervous system anomalies – Other specified anomalies of the brain, spinal cord, and nervous system.
Heart malformations – Congenital anomalies of heart.
Other circulatory/respiratory anomalies – Other specified anomalies of the circulatory and respiratory systems.
Rectal atresia/stenosis – Congenital absence, closure, or narrowing of the rectum.
Tracheo-esophageal fistula/Esophageal atresia – An abnormal passage between the trachea and the
esophagus; esophageal atresia is the congenital absence or closure of the esophagus.
Omphalocele/Gastroschisis – An omphalocele is a protrusion of variable amounts of abdominal viscera from a midline defect at the base of the umbilicus. In gastroschisis, the abdominal viscera protrude through an abdominal wall defect, usually on the right side of the umbilical cord insertion.
Other gastrointestinal anomalies – Other specified congenital anomalies of the gastrointestinal system.
Malformed genitalia – Congenital anomalies of the reproductive organs.
Renal agenesis – One or both kidneys are completely absent.
Other urogenital anomalies – Other specified congenital anomalies of the organs concerned in the production and excretion of the urine, together with organs of reproduction.
Cleft lip/palate – Cleft lip is a fissure or elongated opening of the lip; cleft palate is a fissure in the roof of the mouth. These are failures of embryonic development.
Polydactyly/Syndactyly/Adactyly– Polydactyly is the presence of more than five digits on hands and/or feet; syndactyly is having fused or webbed fingers and/or toes; adactyly is the absence of fingers and/or toes.
Club foot – Deformities of the foot, which is twisted out of shape or position.
Diaphragmatic hernia – Herniation of the abdominal contents through the diaphragm into the thoracic cavity usually resulting in respiratory distress.
Down’s syndrome – The most common chromosomal defect with most cases resulting from an extra chromosome (trisomy 21).

Data Source:

Arizona Health and Vital Statistics (Various Years), Bureau of Public Health Statistics, Various Health Statistics, Births Section, Arizona Department of Health Services; Table 5B-29,

Footnotes: NA indicates not statistically significant.