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Table 1 Distribution of 25 selected major birth defects according to the affected system

From: Major birth defects in the Brazilian side of the triple border: a population-based cross-sectional study

System Birth defect
Central nervous system Anencephalus
Spina bifida
Ear Anophthalmia
Cardiovascular Transposition of the great arteries
Tetralogy of Fallot
Left heart hypoplasia
Coarctation of the aorta
Cleft Lip and/or Palate (CLP) Cleft lip/palate/lip and/or palate
Gastrointestinal Esophageal atresia/stenosis with or without fistula
Small intestine atresia/stenosis
Anorectal atresia/stenosis
Genitourinary Hypospadias
Undetermined sex
Renal agenesia
Cystic kidney
Musculoskeletal systems Limb reduction defects
Diaphragmatic hernia
Chromosomal anomalies Patau syndrome
Edwards syndrome
Down syndrome