Preimplantation Genetic Screening
What is PGS?
Preimplantation Genetic Screening (PGS) is an advanced genetic test performed during IVF to examine embryos for chromosomal abnormalities before they are transferred to the uterus.
This helps identify healthy embryos with the correct number of chromosomes, increasing the chances of a successful pregnancy and reducing the risk of miscarriage.
Process
1. IVF and Embryo Development – Eggs are fertilized and embryos are cultured in the laboratory.
2. Embryo Biopsy – A few cells are carefully taken from each embryo.
3. Genetic Testing – The cells are analyzed to check for chromosomal abnormalities.
4. Embryo Selection – Chromosomally normal embryos are selected.
5. Embryo Transfer – The healthiest embryo is transferred to the uterus.
Benefits
- Identifies chromosomally normal embryos
- Improves implantation and pregnancy rates
- Reduces the risk of miscarriage
- Increases the chance of a healthy baby
- Helpful for recurrent IVF failure and advanced maternal age