Fetuses who are growth restricted are at a high risk for perinatal mortality, with rates 6–10 times greater than normally grown fetuses. Specific patterns of growth restriction include asymmetric and symmetric which generally reflect the timing and duration of the underlying etiology. Possible underlying conditions include constitutionally small fetuses, abnormal fetuses (aneuploidy, infection, syndromes), and placental insufficiency .
KeywordsIUGR Growth restriction SGA Umbilical artery Doppler
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