https://jamanetwork.com/journals/jama/fullarticle/2593702
Box.
Birth Defects Potentially Related to Zika Virus Infection During Pregnancy and Monitored by the US Zika Pregnancy Registry for Enhanced Surveillance
Brain Abnormalities With and Without Microcephaly
- Confirmed or possible congenital microcephalya
- Intracranial calcifications
- Cerebral atrophy
- Abnormal cortical formation (eg, polymicrogyria, lissencephaly, pachygyria, schizencephaly, gray matter heterotopia)
- Corpus callosum abnormalities
- Cerebellar abnormalities
- Porencephaly
- Hydranencephaly
- Ventriculomegaly/hydrocephaly (excluding “mild” ventriculomegaly without other brain abnormalities)
- Fetal brain disruption sequence (collapsed skull, overlapping sutures, prominent occipital bone, scalp rugae)
- Other major brain abnormalities including intraventricular hemorrhage in utero (excluding postnatal intraventricular hemorrhage)
Neural Tube Defects and Other Early Brain Malformations
- Neural tube defects including anencephaly, acrania, encephalocele, spina bifida
- Holoprosencephaly (arhinencephaly)
Eye Abnormalities
- Microphthalmia/anophthalmia
- Coloboma
- Cataract
- Intraocular calcifications
- Chorioretinal anomalies involving the macula (eg, chorioretinal atrophy and scarring, macular pallor, gross pigmentary mottling and retinal hemorrhage; excluding retinopathy of prematurity)
- Optic nerve atrophy, pallor, and other optic nerve abnormalities
Consequences of Central Nervous System Dysfunction
- Congenital contractures (eg, arthrogryposis, clubfoot, congenital hip dysplasia) with associated brain abnormalities
- Congenital deafness documented by postnatal audiological testing
a
Live births: measured head circumference (adjusted for gestational age
and sex) less than the third percentile at birth or, if not measured at
birth, within first 2 weeks of life. Pregnancy loss: prenatal head
circumference more than 3 SDs below the mean based on ultrasound or
postnatal head circumference less than the third percentile. Birth
measurements are evaluated using the Intergrowth-21st standards (http://intergrowth21.ndog.ox.ac.uk/) based on measurements within 24 hours of birth.
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