Pre-implantation genetic diagnosis

The pre-implantation genetic diagnosis is a set of examinations which can help reveal genetic abnormalities of the embryo prior to embryo transfer. It consists of removing one or more cells from an embryo to test for genetic health.

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The pre-implantation genetic diagnosis can be conducted in two ways:

The pre-implantation genetic diagnosis can be conducted in two ways:

  • Pre-implantation genetic diagnosis (PGD), performed in order to identify genetic defects within the embryo.
  • Pre-implantation genetic screening (PGS) checks for abnormal numbers of chromosomes (aneuploidy).
The pre-implantation genetic screening and pre-implantation diagnosis are collectively known as PGD (pre-implantation genetic diagnosis). This test allows doctors to select the best embryo for implantation, resulting in a higher chance of becoming pregnant. It can take several weeks to get the final results of PGD.
Why conduct PGD?

Why conduct PGD?

  • Helps identify embryos with abnormal chromosomes. A number of severe genetic diseases can be caused by abnormal numbers or structures of chromosomes.
  • Higher change of pregnancy achieved by selecting the best quality embryo(s)
  • Reduced risk of miscarriage by selecting the best quality embryo(s)
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