0s, nearly 60 clinical cases (软骨不全) were reported around the country “ Advances in research on and diagnosis and treatment of chondroplasia in China ( Intractable & Rare Diseases Research )”, the diagnosis of an isolated short femur at 19 – 41 weeks of pregnancy 56 fetuses with isolated short femur pared with a control group of 637 fetuses with normal femur length. FL values were converted into Z-scores and classified into 4 groups To assess fetal e, the frequency of SGA, IUGR, abnormal umbilical oppler (AUD), Down ’ s syndrome, and skeletal dysplasia was determined for each group after delivery, and the relative risk parison with the control group was btained. A short femur diagnosis in a fetus with an otherwise normal follow-up determines just a higher risk of being small
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