Table 2.
Fetal anomaly | Total | Diagnoses |
Pregnancy outcome |
|||||
---|---|---|---|---|---|---|---|---|
11+0 to 13+6 weeks (n = 32) |
20–23 weeks (FTS/DS)b | TOP | IUD | live birth | ||||
1st trimestera | FTS | DS | ||||||
Central nervous system | 14 | |||||||
Acrania/exencephaly | 4 | 4/4 (100) | - | 4 | - | 4 (100) | - | - |
Encephalocele | 2 | 2/2 (100) | 2 | - | - | 2 (100) | - | - |
Hydrocephaly | 2 | - | - | - | 2 (1 FTS/1 DS) | 1 (50) | - | 1 (50) |
Schizencephaly | 1 | - | - | - | 1 (FTS) | 1 (100) | - | - |
Corpus callosum agenesis | 1 | - | - | - | 1 (FTS) | 1 (100) | - | - |
Craniosynostosis | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Spina bifida | 3 | - | - | - | 3 (DS) | 2 (67) | 1 (33) | - |
Facial | 7 | |||||||
Cleft lip | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Cleft palate | 1 | - | - | - | 1 (DS) | - | - | 1 (100) |
Cleft lip and palate | 5 | - | - | - | 5 (4 FTS/1 DS) | - | - | 5 (100) |
Respiratory | 8 | |||||||
CAML | 5 | - | - | - | 5 (3 FTS/2 DS) | - | - | 5 (100) |
Hernia diaphragmatica | 3 | - | - | - | 3 (FTS) | 1 (33) | - | 2 (67) |
Cardiac | 21 | |||||||
Double-outlet right ventricle | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Transposition great arteries | 2 | - | - | - | 2 (FTS) | - | - | 2 (100) |
Coarctation of the aorta | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Extended aortic arch | 1 | - | - | - | 1 (DS) | - | - | 1 (100) |
Tetralogy of Fallot | 4 | 2/4 (50) | 2 | - | 2 (1 FTS/1 DS) | 2 (50) | - | 2 (50) |
Hypoplastic left heart | 1 | - | - | - | 1 (DS) | 1 (100) | - | - |
Atrial septal defect | 1 | - | - | - | 1 (DS) | - | - | 1 (100) |
Atrioventricular septal defect | 2 | - | - | - | 2 (1 FTS/1 DS) | - | 1 (50) | 1 (50) |
Cor triatriatum dexter | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Aortic valve stenosis | 1 | - | - | - | 1 (FTS) | 1 (100) | - | - |
Tricuspid insufficiency | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Aortic aneurysm | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Right aortic arch | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Complex heart defectc | 3 | 2/3 | 2 | - | 1 (FTS) | 2 (67) | 1 (33) | - |
Gastrointestinal | 2 | |||||||
Esophageal atresia | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Duodenal atresia | 1 | - | - | - | 1 (FTS) | - | 1 (100) | - |
Abdominal wall | 12 | |||||||
Gastroschisis | 3 | 2/3 (67) | 2 | - | 1 (FTS) | - | 1 (33) | 2 (67) |
Omphaloceled | 9 | 9/9 (100) | 4 | 5 | - | 4 (44.4) | - | 5 (55.6) |
Urogenital | 33 | |||||||
Unilateral renal agenesis | 5 | 1/5 (20) | 1 | - | 4 (4 FTS/1 DS) | 1 (20) | - | 4 (80) |
Megacystis | 4d | 4/4 (100) | 2 | 2 | - | 2 (50) | - | 2 (50) |
Unilateral multicystic renal dysplasia | 8 | - | - | - | 8 (5 FTS/3 DS) | - | - | 8 (100) |
Bilateral multicystic renal dysplasia | 2 | - | - | - | 2 (1 FTS/1 DS) | 2 (100) | - | - |
Unilateral hydronephrosis | 7 | - | - | - | 7 (5 FTS/2 DS) | - | - | 7 (100) |
Bilateral hydronephrosis | 4 | - | - | - | 4 (3 FTS/1 DS) | 1 (25) | - | 3 (75) |
Unilateral ureterocele | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Double collecting system | 2 | - | - | - | 2 (FTS) | - | - | 2 (100) |
Skeletal | 17 | |||||||
Limb reduction | 1 | 1/1 (100) | 1 | - | - | - | - | 1 (100) |
Polydactyly | 3 | 1/3 (33) | 1 | - | 2 (FTS) | - | - | 3 (100) |
Syndactyly and oligodactyly | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Club foot unilateral | 2 | - | - | - | 2 (FTS) | - | - | 2 (100) |
Club feet bilateral | 6 | - | - | - | 6 (FTS) | - | - | 6 (100) |
Rocker bottom feet | 1 | - | - | - | 1 (FTS) | - | - | 1 (100) |
Skeletal dysplasia | 3 | 1/3 (33) | 1 | - | 2 (FTS) | 1 (33) | - | 2 (67) |
Others | ||||||||
Multiple congenital anomaliese | 5 | 3/5 (60) | 2 | 1 | 2 (FTS) | 3 (60) | - | 2 (40) |
Total | 119 | 32 (27) | 20 | 12 | 87 | 32 (27) | 5 (4) | 82 (69) |
Values are presented asn (%). CAML, congenital adenomatoid malformation of the lung; DS, dating scan; FTS, first-trimester screening; IUD, intrauterine death; TOP, termination of pregnancy.
Detected in the first trimester.
Number of fetuses who underwent DS versus FTS.
One case with dextrocardia, hypoplastic aorta, and aplastic mitral valve, 1 case with transposition of the great arteries and double-outlet right ventricle, and 1 case with unspecified multiple heart defects.
Two cases of megacystis <15 mm with spontaneous resolution and 2 cases of bowel-only omphalocele with spontaneous resolution.
One case with omphalocele, split hand, dimorphic face, and abnormal skull shape; 1 case with omphalocele and missing foot; 1 case with bilateral hydronephrosis, polydactyly, and ventriculomegaly, and CHARGE syndrome postnatally; 1 case with nasal tumor, cleft lip and palate, hypertelorism, flat nose, dilated heart, and atrial septal defect; 1 case with unspecified heart anomaly, increased nuchal translucency, and missing nasal bone (no karyotype done).