Association With Birth Defects
Researchers have noted an association between an EIF and a chromosome problem in the baby. Types of chromosome problems that are occasionally seen include Trisomy 18 (Edwards syndrome) or Trisomy 21 (Down syndrome). In the case of an isolated EIF, and no other ultrasound findings, some studies show that the risk for a chromosome abnormality is approximately two times a woman’s background risk. Other studies report up to a 1% risk for Down syndrome when an EIF is seen on a second trimester fetal ultrasound exam.
Read more about this topic: Echogenic Intracardiac Focus
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