The And Pre Implantation Genetic Diagnosis ( Pgd ) Essay

2006 Words Sep 20th, 2015 9 Pages
Molly Press
Level 3 Biology Achievement Standard 3.2 – Integrating biological knowledge to develop an informed response to a socio-scientific issue. The use of IVF and Pre-implantation genetic diagnosis (PGD)
PGD is a process that individuals go through when carrying out IVF. It’s is when they screen an embryo for a particular genetic defect that their baby could be born with. The goal for PGD is to produce a baby that is ‘healthy’; this raises questions on what is a healthy baby. The first step of the PGD process is to carry out IVF which is the creation of an embryo. Once the embryo has been created two or one cell are removed. The cells are then sent away and genetically tested for a specific genetic condition of the parent’s choice. If the embryo is clear of the genetic condition it is then transferred to the woman’s uterus.
Some of the common conditions that they test for are:
• Haemophilia
• Cystic Fibrosis
• ß-Thalassaemia
• Huntington’s disease
• Fragile-x
• Spinal Muscular Atrophy
• Myotonic Dystrophy
• BRCA gene
• Down’s syndrome
The fact that PGD is able to test for more than 100 different genetic conditions is a huge benefit. PGD screening is performed before the embryo is implanted which allows the couple to decide if they want to continue with the pregnancy which is another benefit. There are also Disadvantages to PGD. It can reduce the probability of having a child with a genetic disorder but cannot eliminate the risk completely. But also there are…

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