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Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies (VANISH)

  • Study HIC#:2000031357
  • Last Updated:06/10/2022

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.

  • Age18 years and older
  • GenderFemale only
  • Start Date12/06/2021
  • End Date12/31/2023

Trial Purpose and Description

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.

Eligibility Criteria

Inclusion Criteria:

  • Women with either ultrasound-documented dizygotic (DZ) twin pregnancy or those whose Panorama Testâ„¢ results suggest increased risk for vanishing twin

Exclusion Criteria:

  • Monozygotic twin pregnancy
  • Non twin pregnancy
  • Maternal history of bone marrow or organ transplantation

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