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Prevalence and typology of mosaicism in POCs and pregnancies
The mosaic state
❑ Mosaicism for full aneuploidy
❑ Mosaicism for a structural rearrangement ❑ Gonadal/somatic mosaicism
Mosaicism in POCs and pregnancies
“FETOPLACENTAL DISCREPANCIES”
• Confined Placental Mosaicism (CPM)
• True Fetal Mosaicism (TFM)
1001 mosaicisms from 60,347 CVS:
Lestou et Kalousek, 1998
Malevestiti et al., Prenat Diagn 2015
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PRECONGRESS COURSE 10 I VIENNA, AUSTRIA – 23 JUNE 2019 45
