Related Experiment Videos
Preimplantation polar body diagnosis
1Reproductive Genetics Institute, Illinois Masonic Medical Center, Chicago 60657, USA.
Biochemical and Molecular Medicine
|June 1, 1996
Summary
Preimplantation polar body diagnosis enables detection of genetic disorders before pregnancy. This method is reliable for preimplantation genetic diagnosis, leading to healthy births.
Area of Science:
- Reproductive Medicine
- Genetics
- Embryology
Background:
- Preimplantation genetic diagnosis (PGD) offers a way to screen embryos for genetic and chromosomal abnormalities before implantation.
- Polar body biopsy is a technique used in PGD to assess the genetic makeup of an embryo without directly biopsying the embryo itself.
Purpose of the Study:
- To evaluate the clinical effectiveness and reliability of preimplantation polar body diagnosis for detecting genetic and chromosomal disorders.
- To demonstrate that polar body biopsy does not negatively impact embryo development and viability.
Main Methods:
- Conducted 187 clinical cycles of preimplantation polar body diagnosis.
- Utilized fluorescence in situ hybridization (FISH) technique for genetic analysis.
- Diagnosed conditions including cystic fibrosis, Tay-Sach's disease, hemophilia A, and common aneuploidies.
Main Results:
- Over 75% of cycles resulted in embryo transfer.
- Achieved 38 clinical pregnancies.
- Successfully delivered 12 healthy, unaffected children.
Conclusions:
- Preimplantation polar body diagnosis is a reliable method for the genetic analysis of embryos.
- This technique effectively allows for the detection and avoidance of genetic and chromosomal disorders prior to pregnancy.
- Polar body biopsy is safe and does not compromise fertilization or embryo viability.