Table 1 The relevant sonographic features in 19 cases
Characteristics | Number of fetuses (%) |
|---|---|
Sex | |
Male | 13 (68.4) |
Female | 6 (31.6) |
Amniotic fluid index | |
Polyhydramnios | 3 (15.8) |
Oligohydramnios | 1 (5.3) |
Normal amniotic fluid index | 15 (78.9) |
Bowel dilatation | |
Non-dilatation | 18 (94.7) |
Dilatation | 1 (5.3) |
Isolated imperforate anus | 3 (15.8) |
Associated perineal / genitalia malformations | 13 (68.4) |
VACTERL syndrome | 5 |
OEIS complex | 3 |
Urorectal septal sequence syndrome | 2 |
Caudal regression syndrome | 3 |
Other malformations | 3 (15.8) |
Right auricle malformations | 1 |
Gallbladder agenesis | 1 |
Horseshoe kidney with a single umbilical artery | 1 |