How is factor XIII (FXIII) deficiency diagnosed prenatally?

Updated: Aug 01, 2019
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Perumal Thiagarajan, MD  more...
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Chorionic villous sampling at approximately 10-12 weeks of gestation or amniocentesis at 16-20 weeks of gestation can be performed to obtain fetal cells for DNA analysis or for linkage studies

If DNA analysis cannot be performed, fetal blood obtained by fetoscopy at approximately 20 weeks of gestation can be used

Perform these procedures only after intense genetic and obstetric counseling of the parents

See Workup for more detail.

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