The study aims to evaluate cell-based non-invasive prenatal testing (cbNIPT) as an alternative to invasive chorionic villus sampling (CVS) in patients who achieve pregnancy following preimplantation genetic testing for hereditary disorders.
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Evaluation of the fetal cell yield when blood sampling is performed at Gestational weeks 7-8 compared to gestational weeks 11-14.
Timeframe: Within 2 years
Percentage of test with an informative test result from genetic testing following whole genome amplification or direct testing without whole genome amplification.
Timeframe: Within 2 years (since data analysis is carried out later than sample collection)
Specificity and sensitivity of single cell analysis.
Timeframe: Within 2 years