Prenatally diagnosed microcephaly: a review of etiologies.


OBJECTIVE To determine the incidence and etiology of prenatally diagnosed microcephaly. METHODS Retrospective review of 10 years at a tertiary obstetrical hospital. The study population consisted of 21 infants with confirmed prenatal and postnatal microcephaly. RESULTS There were 8 different definite/probable etiologies identified (viral, monochorionic twinning, genetic syndrome, neural tube defect, abnormal karyotype, hypoxic insult, constitutional). CONCLUSIONS Retrospective study indicates the commonest etiologies for prenatal microcephaly are in utero infection, monochorionic twin insult, rare genetic syndrome and chromosomal anomalies.


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@article{Dahlgren2001PrenatallyDM, title={Prenatally diagnosed microcephaly: a review of etiologies.}, author={Lisa Dahlgren and Rob Wilson}, journal={Fetal diagnosis and therapy}, year={2001}, volume={16 6}, pages={323-6} }