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Pre-Implantation Genetic Testing (PGT)
Pre-Implantation Genetic Testing (PGT) is an advanced technique used during IVF to assess the genetic health of embryos before they are transferred to the uterus. It helps in selecting embryos with the best chance of resulting in a healthy pregnancy.
PGT is performed on embryos created through IVF and is recommended in specific medical situations after detailed counselling.
What does PGT test for?
Depending on the indication, PGT can help detect:
• Chromosomal abnormalities (extra or missing chromosomes)
• Inherited genetic disorders passed on from parents
• Structural chromosomal rearrangements
Testing is done on a few cells taken from the embryo at the blastocyst stage, without harming its developmental potential.
Types of PGT
PGT-A (for Aneuploidy)
Screens embryos for chromosomal abnormalities and helps improve implantation rates and reduce miscarriage risk.
PGT-M (for Monogenic disorders)
Used when one or both parents carry a known genetic condition, such as thalassemia or single-gene disorders.
PGT-SR (for Structural Rearrangements)
Recommended when a parent has chromosomal rearrangements like translocations.
Who may benefit from PGT?
PGT may be advised in cases of:
• Recurrent IVF failure
• Recurrent pregnancy loss
• Advanced maternal age
• Known genetic disorders in either parent
• Previous child with a genetic condition
Benefits of PGT
• Higher chances of implantation per transfer
• Reduced risk of miscarriage
• Improved selection of genetically healthy embryos
• More informed and personalised IVF treatment
Important points to understand
• PGT improves selection, not embryo creation
• It does not guarantee pregnancy or a healthy baby
• Not all patients require PGT — it is recommended only when medically indicated
We follow a strictly evidence-based and ethical approach to PGT.
Every couple undergoes detailed genetic counselling to understand:
• Indications and limitations
• Accuracy and reliability
• Cost–benefit considerations
Our goal is to use PGT only when it truly adds value to your IVF outcome.