Delaware
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 <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Anophthalmia / microphthalmia <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Anotia / microtia <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 17 (3.3)
Aortic valve stenosis <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 14 (2.7)
Atrial septal defect 82 (33.2) 54 (37.5) 32 (35.0) 13 (40.8) <11 (†) 186 (35.7)
Atrioventricular septal defect (endocardial cushion defect) 11 (4.5) <11 (†) 11 (12.0) <11 (†) <11 (†) 36 (6.9)
Biliary atresia <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) <11 (†)
Bladder exstrophy <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Choanal atresia <11 (†) 0 (0.0) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Cleft lip alone (without cleft palate) <11 (†) 0 (0.0) <11 (†) <11 (†) 0 (0.0) 11 (2.1)
Cleft lip with cleft palate 18 (7.3) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 25 (4.8)
Cleft palate alone (without cleft lip) 25 (10.1) <11 (†) <11 (†) <11 (†) 0 (0.0) 39 (7.5)
Cloacal exstrophy <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Clubfoot 51 (20.7) 21 (14.6) <11 (†) <11 (†) 0 (0.0) 85 (16.3)
Coarctation of aorta 11 (4.5) <11 (†) <11 (†) <11 (†) 0 (0.0) 18 (3.5)
Common truncus (truncus arteriosus or TA) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Congenital cataract <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 14 (2.7)
Congenital posterior urethral valves <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†) 1
Craniosynostosis 23 (9.3) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 29 (5.6)
Deletion 22q11.2 <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Dextro-Transposition of great arteries (d-TGA) <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 14 (2.7)
Diaphragmatic hernia <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 16 (3.1)
Double outlet right ventricle (DORV) <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 13 (2.5)
Ebstein anomaly <11 (†) <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Encephalocele <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Esophageal atresia / tracheoesophageal fistula <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 16 (3.1)
Gastroschisis <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 11 (2.1)
Holoprosencephaly <11 (†) 0 (0.0) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Hypoplastic left heart syndrome <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) 16 (3.1)
Hypospadias 95 (74.7) 79 (107.6) 22 (47.6) <11 (†) <11 (†) 207 (77.5) 1
Interrupted aortic arch (IAA) 0 (0.0) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Limb deficiencies (reduction defects) 20 (8.1) 11 (7.6) 11 (12.0) <11 (†) 0 (0.0) 46 (8.8)
Omphalocele <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 12 (2.3)
Pulmonary valve atresia <11 (†) 0 (0.0) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Pulmonary valve atresia and stenosis 33 (13.4) 22 (15.3) <11 (†) <11 (†) 0 (0.0) 72 (13.8)
Rectal and large intestinal atresia / stenosis 11 (4.5) <11 (†) <11 (†) 0 (0.0) <11 (†) 20 (3.8)
Renal agenesis / hypoplasia 18 (7.3) <11 (†) <11 (†) <11 (†) 0 (0.0) 27 (5.2)
Single ventricle <11 (†) 0 (0.0) <11 (†) <11 (†) 0 (0.0) <11 (†)
Small intestinal atresia / stenosis <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 20 (3.8)
Spina bifida without anencephaly <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 12 (2.3)
Tetralogy of Fallot (TOF) 13 (5.3) <11 (†) <11 (†) <11 (†) 0 (0.0) 27 (5.2)
Total anomalous pulmonary venous connection (TAPVC) <11 (†) <11 (†) <11 (†) <11 (†) 0 (0.0) <11 (†)
Transposition of the great arteries (TGA) <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) 18 (3.5)
Tricuspid valve atresia 0 (0.0) <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Tricuspid valve atresia and stenosis <11 (†) <11 (†) 0 (0.0) 0 (0.0) 0 (0.0) <11 (†)
Trisomy 13 <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Trisomy 18 <11 (†) <11 (†) <11 (†) 0 (0.0) 0 (0.0) <11 (†)
Trisomy 21 (Down syndrome) 30 (12.1) 18 (12.5) 22 (24.0) <11 (†) <11 (†) 78 (15.0)
Turner syndrome <11 (†) 0 (0.0) <11 (†) 0 (0.0) 0 (0.0) <11 (†) 2
Ventricular septal defect 180 (72.9) 95 (66.0) 63 (68.8) 13 (40.8) <11 (†) 357 (68.6)
Total live births 24696 14385 9153 3188 235 52059 3
Male Live Births 12719 7343 4623 1675 115 26697
Female Live Births 11977 7042 4530 1513 120 25362
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 <11 and associated prevalences are suppressed
*- Data for totals include unknown/other race
Delaware
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 <11 (†) <11 (†) 11 (2.1)
Trisomy 13 <11 (†) <11 (†) <11 (†)
Trisomy 18 <11 (†) <11 (†) <11 (†)
Trisomy 21 (Down syndrome) 30 (7.1) 48 (48.5) 78 (15.0)
Total live births 42169 9890 52059
Notes
†- Counts <11 and associated prevalences are suppressed
*- Data for totals include unknown/other maternal age