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Indications for Prenatal Diagnosis by lnvasive Testing

 Principal Indications for Prenatal Diagnosis by lnvasive Testing

- Advanced maternal age (greater than 35 years)
- Previous child with de novo chromosomal aneuploidy
- Presence of structural chromosome abnormality in one of the parents
- Family history of a genetic disorder that may be diagnosed or ruled out by biochemical or DNA analysis
- Family history of an X-linked disorder for which there is no specific prenatal diagnostic test
- Risk of a neural tube defect (first degree relatives of patients with neural tube defects)
- Fetal abnormalities are suspected on Maternal serum screening and ultrasound examination 


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