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Updated: Feb 21, 2026

FISH for Pre-implantation Genetic Diagnosis
Published on: February 23, 2011
Futuristic Look at Genetic and Birth Defect Diagnoses and Treatments
1Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville, Florida.
Insights
Future prenatal care may shift to preconception genetic analysis using whole exome sequencing. This allows for early identification of genetic variations and potential therapeutic interventions to improve pregnancy outcomes.
Area of Science:
- Genetics and Genomics
- Reproductive Medicine
- Prenatal Diagnostics
Background:
- Prenatal care aims to inform prospective parents about pregnancy, birth, and postpartum stages.
- Genetic information empowers parents in decision-making and expectation setting.
- Current prenatal genetic information relies on screening and diagnostic testing.
Purpose of the Study:
- To explore the potential shift from in-pregnancy screening to preconception genetic analysis.
- To discuss how advanced genomic technologies can inform and alter pregnancy outcomes.
- To highlight emerging therapeutic technologies for genetic variations identified pre-conception.
Main Methods:
- Review of current prenatal genetic information practices.
- Analysis of advancements in genomics and genome sequencing.
- Exploration of preconception whole exome sequencing and chromosomal microarray.
- Discussion of emerging therapeutic approaches like mitochondrial transfer and gene editing.
Main Results:
- Rapid genomic advances may render current in-pregnancy screening obsolete.
- Preconception whole exome sequencing can determine genetic risks for prospective parents.
- Identification of genome variations enables consideration of interventions to alter pregnancy outcomes.
Conclusions:
- Whole exome sequencing and chromosomal microarray of prospective parents are poised to become central to prenatal genetic assessment.
- Emerging therapeutic technologies, including mitochondrial transfer and gene editing, show promise for managing identified genetic variations.
- This paradigm shift offers proactive strategies for optimizing pregnancy outcomes through advanced genetic insights.
Abstract:
One aim of prenatal care is to provide information to prospective parents. The information provided encompasses prenatal care, intrapartum and postpartum care. Learning the genetic constitution of the parents pre-conception or the ongoing pregnancy allows parents to make decisions and set expectations. Offering screening and diagnostic testing has been the main in satisfying the desire for prenatal genetic information. With rapid advances in genomics and genome sequencing, screening during an ongoing pregnancy may become obsolete. Preconception risk will be determined by whole exome sequencing and chromosomal microarray of prospective parents and a number of approaches to alter pregnancy outcome can be considered when genome variations are identified. Therapeutic approaches include mitochondrial transfer and gene editing, two technologies that are in early stages, but showing promise as tools to alter outcomes.
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