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Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy
Published on: August 25, 2019
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Patient attitudes and preferences about expanded noninvasive prenatal testing
Marie-Line Dubois1, Patricia D Winters2, Marc-André Rodrigue3
1Faculty of Medicine, Laval University, Quebec City, QC, Canada.
Frontiers in Genetics
|May 8, 2023
Summary
Pregnant patients are open to expanded noninvasive prenatal testing (NIPT) for a wider range of fetal conditions, including rare genetic information, provided they receive adequate counseling. Many desire comprehensive results impacting fetal, infant, and maternal health.
Area of Science:
- Genetics
- Maternal-Fetal Medicine
- Reproductive Health
Background:
- Noninvasive prenatal testing (NIPT) using cell-free DNA (cfDNA) screens for common fetal chromosomal anomalies.
- Expanded NIPT options are emerging, but patient attitudes towards them are largely unknown.
- Understanding patient preferences is crucial for implementing expanded NIPT services.
Purpose of the Study:
- To investigate general-risk pregnant patients' attitudes and preferences regarding expanded NIPT.
- To assess patient expectations for the scope of information provided by cfDNA screening.
- To explore patient comfort levels with screening for various conditions and financial considerations.
Main Methods:
- A survey was administered to 200 general-risk pregnant patients undergoing first-tier cfDNA screening.
- Questions covered pregnancy history, opinions on NIPT, incidental findings, financial resources, and demographics.
- Patient expectations for information scope and comfort with different screening conditions were assessed.
Main Results:
- Most participants desired all available information impacting fetal, infant, or maternal health.
- High interest was shown in fetal sex, common trisomies, rare autosomal aneuploidies, and broader genetic information.
- Patients were comfortable screening for well-known, treatable conditions impacting pregnancy care; many advocated for free or subsidized expanded NIPT.
Conclusions:
- Pregnant patients are receptive to expanded NIPT, seeking comprehensive genetic information.
- Patient preferences indicate a desire for information with immediate or future health implications.
- Appropriate pre-test counseling may facilitate patient acceptance of broader NIPT screening options.

