Preimplantation Genetic Diagnosis PGD
Preimplantation Genetic Diagnosis PGD is an advanced technique that can be used by couples applying for IVF treatment, where the embryo is evaluated for genetic and chromosomal abnormalities. PGD has revolutionized the way couples prevent genetic diseases and predict a healthier pregnancy process.
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What is PGD and How is it Performed?
Preimplantation Genetic Diagnosis PGD is a type of screening procedure used to identify genetic or chromosomal abnormalities in the embryo. It assesses the embryo’s potential to become a healthy baby. This diagnostic procedure involves a detailed genetic analysis of the embryo cells and allows only the embryos that are confirmed to be healthy to be implanted in the mother’s uterus. This process usually takes place as part of an ‘in vitro fertilization’ treatment known as IVF.
Preimplantation Genetic Diagnosis PGD usually consists of the following steps:
- Eggs fertilized using IVF are turned into embryos in the laboratory.
- On day 5 or 6 of the embryos’ development, a few cells are gently removed. This procedure is called ’embryo biopsy’.
- The cells are sent to special laboratories for genetic and chromosomal analysis.
- Embryos that are found to be healthy as a result of the analysis are transferred to the mother’s uterus.
Advantages of PGD
One of the clear advantages of PGD is the ability to identify genetic diseases at the embryo level. Couples can learn about these often difficult-to-detect disorders in advance, which can help them make more informed decisions.
According to statistics, approximately 38% of couples at risk of genetic disorders can have a healthy baby with IVF treatment and PGD. This rate is around 20% without PGD. From this point of view, the effectiveness and necessity of PGD can be understood more clearly.

Preimplantation Genetic Diagnosis PGD
Disadvantages of PGD and Controversies
Although there are several advantages of PGD, several disadvantages and issues are controversial in this field, such as the cost of the procedures, ethical debates and the concern of erroneous results.
One of the most obvious disadvantages of PGD is the high cost. Regrettably, the cost of such technological and advanced treatments can often be a deterrent for many couples.
Preimplantation Genetic Diagnosis PGD procedures can also raise ethical debates. Some worry that this technology could pave the way for the creation of “designer babies”. However, experts generally agree that these arguments are often speculative and that the main goal is to provide couples with information to prevent genetic diseases.
In conclusion, PGD is a powerful tool for preventing genetic diseases and predicting a healthier pregnancy. Thanks to advanced medical technology, many more couples will be able to become aware of genetic diseases and have a healthy baby. However, wider acceptance of PGD requires cost reduction, minimization of misleading results and rigorous application of ethical standards.
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