Fetal DNA in maternal serum: does it persist after pregnancy?

  title={Fetal DNA in maternal serum: does it persist after pregnancy?},
  author={Alexandra Benachi and Julie Steffann and Evelyne Gautier and Pauline Ernault and Martine Olivi and Yves Dumez and J. Y. Costa},
  journal={Human Genetics},
Fetal DNA and cells present in maternal blood have previously been used for non-invasive prenatal diagnosis. However, some fetal cells can persist in maternal blood after a previous pregnancy. Fetal rhesus status and sex determination have been performed by using amplification by real-time polymerase chain reaction (PCR) of fetal DNA sequences present in maternal circulation; no false-positive results related to persistent fetal DNA from a previous pregnancy have been reported. This idea has… CONTINUE READING
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