South Carolina
Birth Defects Counts and Prevalence 2018-2022 (Prevalence per 10,000 Live Births)
Defect
Maternal Race/Ethnicity
Total * Notes
White,
Non-Hispanic
Black,
Non-Hispanic
Hispanic,
Non-Hispanic
Asian or
Pacific Islander,
Non-Hispanic
American Indian
or Alaskan Native,
Non-Hispanic
Anencephaly 29 (1.8) 11 (1.4) 6 (2.0) 0 (0.0) 0 (0.0) 46 (1.6)
Anophthalmia / microphthalmia 23 (1.4) 13 (1.6) <5 (†) <5 (†) 0 (0.0) 41 (1.4)
Anotia / microtia 41 (2.5) 7 (0.9) 21 (7.1) 0 (0.0) 0 (0.0) 70 (2.5)
Aortic valve stenosis 30 (1.8) 10 (1.2) 5 (1.7) 0 (0.0) 0 (0.0) 45 (1.6)
Atrial septal defect 270 (16.4) 146 (17.9) 55 (18.7) <5 (†) <5 (†) 477 (16.8)
Atrioventricular septal defect (endocardial cushion defect) 70 (4.2) 48 (5.9) 11 (3.7) <5 (†) 0 (0.0) 132 (4.6)
Biliary atresia 9 (0.5) 7 (0.9) <5 (†) <5 (†) 0 (0.0) 22 (0.8)
Bladder exstrophy <5 (†) <5 (†) 0 (0.0) 0 (0.0) 0 (0.0) <5 (†)
Choanal atresia 15 (0.9) 9 (1.1) <5 (†) 0 (0.0) 0 (0.0) 28 (1.0)
Cleft lip alone (without cleft palate) 59 (3.6) 9 (1.1) 7 (2.4) <5 (†) 0 (0.0) 76 (2.7)
Cleft lip with cleft palate 115 (7.0) 45 (5.5) 25 (8.5) <5 (†) <5 (†) 191 (6.7)
Cleft palate alone (without cleft lip) 157 (9.5) 53 (6.5) 21 (7.1) <5 (†) <5 (†) 238 (8.4)
Coarctation of aorta 94 (5.7) 29 (3.6) 15 (5.1) <5 (†) <5 (†) 141 (5.0)
Common truncus (truncus arteriosus or TA) 16 (1.0) 5 (0.6) <5 (†) 0 (0.0) 0 (0.0) 22 (0.8)
Congenital cataract 24 (1.5) 25 (3.1) 6 (2.0) 0 (0.0) 0 (0.0) 56 (2.0)
Congenital posterior urethral valves 20 (2.4) 19 (4.6) <5 (†) 0 (0.0) <5 (†) 43 (3.0) 1
Craniosynostosis 152 (9.2) 28 (3.4) 18 (6.1) <5 (†) <5 (†) 204 (7.2)
Deletion 22q11.2 8 (0.5) 10 (1.2) <5 (†) <5 (†) 0 (0.0) 22 (0.8)
Diaphragmatic hernia 65 (3.9) 30 (3.7) 7 (2.4) <5 (†) <5 (†) 105 (3.7)
Double outlet right ventricle (DORV) 31 (1.9) 37 (4.5) 12 (4.1) <5 (†) 0 (0.0) 82 (2.9)
Ebstein anomaly <5 (†) <5 (†) <5 (†) 0 (0.0) 0 (0.0) 9 (0.3)
Encephalocele 10 (0.6) 18 (2.2) 0 (0.0) 0 (0.0) 0 (0.0) 29 (1.0)
Esophageal atresia / tracheoesophageal fistula 32 (1.9) 10 (1.2) 8 (2.7) 0 (0.0) 0 (0.0) 50 (1.8)
Gastroschisis 49 (3.0) 30 (3.7) 17 (5.8) 0 (0.0) 0 (0.0) 96 (3.4)
Holoprosencephaly 14 (0.8) 12 (1.5) <5 (†) 0 (0.0) 0 (0.0) 31 (1.1)
Hypoplastic left heart syndrome 59 (3.6) 24 (2.9) 12 (4.1) <5 (†) 0 (0.0) 97 (3.4)
Hypospadias 37 (4.4) 23 (5.6) <5 (†) 0 (0.0) 0 (0.0) 61 (4.2) 1
Interrupted aortic arch (IAA) 121 (7.3) 45 (5.5) 19 (6.4) <5 (†) <5 (†) 188 (6.6)
Limb deficiencies (reduction defects) 89 (5.4) 42 (5.2) 26 (8.8) 0 (0.0) 0 (0.0) 158 (5.6)
Omphalocele 44 (2.7) 27 (3.3) <5 (†) <5 (†) 0 (0.0) 75 (2.6)
Pulmonary valve atresia 10 (0.6) 10 (1.2) <5 (†) 0 (0.0) <5 (†) 25 (0.9)
Pulmonary valve atresia and stenosis 122 (7.4) 86 (10.6) 29 (9.8) 5 (8.2) <5 (†) 250 (8.8)
Rectal and large intestinal atresia / stenosis 59 (3.6) 33 (4.1) 12 (4.1) 0 (0.0) <5 (†) 106 (3.7)
Renal agenesis / hypoplasia 115 (7.0) 53 (6.5) 15 (5.1) <5 (†) 0 (0.0) 188 (6.6)
Single ventricle 13 (0.8) <5 (†) <5 (†) 0 (0.0) 0 (0.0) 17 (0.6)
Small intestinal atresia / stenosis 69 (4.2) 37 (4.5) 16 (5.4) <5 (†) <5 (†) 124 (4.4)
Spina bifida without anencephaly 56 (3.4) 22 (2.7) 13 (4.4) 0 (0.0) 0 (0.0) 92 (3.2)
Tetralogy of Fallot (TOF) 75 (4.5) 36 (4.4) 14 (4.7) <5 (†) 0 (0.0) 129 (4.5)
Total anomalous pulmonary venous connection (TAPVC) 14 (0.8) 7 (0.9) 9 (3.1) 0 (0.0) 0 (0.0) 30 (1.1)
Transposition of the great arteries (TGA) 44 (2.7) 12 (1.5) 10 (3.4) 0 (0.0) 0 (0.0) 66 (2.3)
Tricuspid valve atresia and stenosis <5 (†) 6 (0.7) 6 (2.0) 0 (0.0) <5 (†) 17 (0.6)
Trisomy 13 27 (1.6) 9 (1.1) <5 (†) 0 (0.0) 0 (0.0) 41 (1.4)
Trisomy 18 46 (2.8) 30 (3.7) 10 (3.4) <5 (†) 0 (0.0) 88 (3.1)
Trisomy 21 (Down syndrome) 211 (12.8) 91 (11.2) 68 (23.1) 7 (11.4) <5 (†) 381 (13.4)
Turner syndrome 35 (4.4) 10 (2.5) 9 (6.1) 0 (0.0) <5 (†) 55 (4.0) 2
Ventricular septal defect 776 (47.0) 393 (48.2) 221 (74.9) 29 (47.3) 11 (185.5) 1439 (50.6)
Total live births 165007 81457 29487 6128 593 284433 3
Male Live Births 84714 41269 14843 3179 304 145212
Female Live Births 80293 40188 14644 2949 289 139221
Notes
1- Data for this condition include male and unknown infant sex cases only. Prevalence is calculated per 10,000 male live births.
2- Data for this condition include female and unknown infant sex cases only. Prevalence is calculated per 10,000 female live births.
3- Data for total live births include unknown infant sex.

General comments
†- Counts <5 and associated prevalences are suppressed
*- Data for totals include unknown/other race
South Carolina
Birth Defects Counts and Prevalence 2018-2022 (Prevalence per 10,000 Live Births)
Defect
Maternal Age
Total *
Less than 35 years 35 of more years
Gastroschisis 94 (3.9) <5 (†) 96 (3.4)
Trisomy 13 25 (1.0) 15 (3.4) 41 (1.4)
Trisomy 18 42 (1.7) 45 (10.1) 88 (3.1)
Trisomy 21 (Down syndrome) 178 (7.4) 198 (44.6) 381 (13.4)
Total live births 240076 44351 284433
Notes
†- Counts <5 and associated prevalences are suppressed
*- Data for totals include unknown/other maternal age