Symmetrical intrauterine growth restriction
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A symmetrical intra-uterine growth restriction is a type of intra-uterine growth restriction where all fetal biometric parameters tend to be less than expected (below the 10th centile percentile) for the given gestational age. Both length as well as weight parameters are reduced.
Pathology
As a general rule, fetuses with this type of IUGR pattern may present at an earlier stage in gestation compared with the asymmetrical IUGR pattern.
Associations
Aneuploidic syndromic
Other
- topical use of maternal fluorinated glucocorticoid 3 : rare
Radiographic features
Antenatal ultrasound
All sonographic biometric parameters tend to be symmetrically reduced. Therefore fetuses of have nearnormal >>
- HC (head circumference): AC (abdominal circumference) ratio
- FL (femoral length): AC (abdominal circumference) ratio
Differential diagnosis
Differential considerations on ultrasound assessment include:
- incorrect dates
- lower end of normal variation: i.e. if parents are small
-<p>A<strong> symmetrical intra-uterine growth restriction</strong> is a type of <a href="/articles/intra-uterine-growth-restriction-2" title="Intra-uterine growth restriction ">intra-uterine growth restriction</a> where all fetal biometric parameters tend to be less than expected (below the 10<sup>th</sup> centile) for the given gestational age. Both length as well as weight parameters are reduced.</p><h4>Pathology</h4><p>As a general rule, fetuses with this type of IUGR pattern may present at an earlier stage in gestation compared with the asymmetrical IUGR pattern.</p><h5>Associations</h5><h6>Aneuploidic syndromic</h6><ul>-<li><a href="/articles/triploidy" title="Triploidy">triploidy</a></li>-<li><a href="/articles/patau-syndrome" title="Trisomy 13">trisomy 13</a></li>-<li><a href="/articles/edward-syndrome" title="Trisomy 18">trisomy 18</a></li>-</ul><h6>Other</h6><ul><li>topical use of maternal fluorinated glucocorticoid <sup>3</sup> : rare</li></ul><h4>Radiographic features</h4><h5>Antenatal ultrasound</h5><p>All sonographic biometric parameters tend to be symmetrically reduced. Therefore fetuses of have near <strong>normal</strong> >></p><ul>-<li>HC (head circumference) : AC (abdominal circumference) ratio</li>-<li>FL (femoral length) : AC (abdominal circumference) ratio</li>-</ul><h4>Differential diagnosis</h4><p>Differential considerations on <strong>ultrasound assessment</strong> include</p><ul>- +<p>A<strong> symmetrical intra-uterine growth restriction</strong> is a type of <a href="/articles/intra-uterine-growth-restriction-2">intra-uterine growth restriction</a> where all fetal biometric parameters tend to be less than expected (below the 10<sup>th</sup> percentile) for the given gestational age. Both length as well as weight parameters are reduced.</p><h4>Pathology</h4><p>As a general rule, fetuses with this type of IUGR pattern may present at an earlier stage in gestation compared with the asymmetrical IUGR pattern.</p><h5>Associations</h5><h6>Aneuploidic syndromic</h6><ul>
- +<li><a href="/articles/triploidy">triploidy</a></li>
- +<li><a href="/articles/patau-syndrome">trisomy 13</a></li>
- +<li><a href="/articles/edward-syndrome">trisomy 18</a></li>
- +</ul><h6>Other</h6><ul><li>topical use of maternal fluorinated glucocorticoid <sup>3</sup> : rare</li></ul><h4>Radiographic features</h4><h5>Antenatal ultrasound</h5><p>All sonographic biometric parameters tend to be symmetrically reduced. Therefore fetuses of have near normal:</p><ul>
- +<li>HC (head circumference): AC (abdominal circumference) ratio</li>
- +<li>FL (femoral length): AC (abdominal circumference) ratio</li>
- +</ul><h4>Differential diagnosis</h4><p>Differential considerations on ultrasound assessment include:</p><ul>
-<li>lower end of normal variation : i.e. if parents are small</li>- +<li>lower end of normal variation: i.e. if parents are small</li>
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