Table 1. Classification of Abnormal Findings on Prenatal Ultrasonography Among 92 Women Diagnosed During Pregnancy With Zika Virus Infection.
| Classification of Abnormal Prenatal Ultrasonographic Findings |
No. of Pregnant Women (% of Total Cohort)a |
|---|---|
| Any abnormal finding | 37 (40) |
| Zika virus–associated abnormal finding | 11 (12) |
| Major CNS abnormality | 10 (11) |
| Microcephaly | 7 (8) |
| Calcifications | 9 (10) |
| Ventriculomegaly | 6 (7) |
| Blake pouch cyst | 3 (3) |
| Cerebellar vermis hypoplasia | 3 (3) |
| Agenesis of the corpus callosum | 2 (2) |
| Fetal growth restriction | 7 (8) |
| Arthrogryposis | 1 (1) |
| Findings of unknown significance | 37 (40) |
| Minor result only | 26 (28) |
| Abnormal Doppler examination finding | 17 (18) |
| Umbilical artery | 5 (5) |
| Middle cerebral artery | 16 (17) |
| Fluid abnormalities | 13 (14) |
| Oligohydramnios | 6 (7) |
| Polyhydramnios | 7 (8) |
| Placentomegaly | 11 (12) |
| Macrosomia | 8 (9) |
| Mega cisterna magna | 4 (4) |
| Otherb | 8 (9) |
Abbreviation: CNS, central nervous system.
a
The total cohort was 92 pregnant women. Pregnant women may have more than 1 finding.
b
Included pelviectasis (n = 2), brachycephaly (n = 2), hypoechogenic area in chest (n = 2), choroid plexus cyst (n = 1), and liver calcification (n = 1).