Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies (VANISH)
Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies (VANISH)
The purpose of this study is to collect blood samples from women carrying a vanishing twin pregnancy to further develop Natera's non-invasive prenatal screening test to provide information about possible chromosomal conditions for the living twin
Inclusion Criteria:
Exclusion Criteria: