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Human Fertilisation and Embryology Act 2008

49.Embryo testing can involve invasive procedures such as embryo biopsy, involving removal of a cell or cells from the embryo for subsequent analysis. The effect of the new provisions is that testing of an embryo can only be authorised for the purposes in new paragraph 1ZA(1)(a) to (e). For example, sub-paragraph (1)(a) could authorise testing to establish whether an embryo contained an abnormal number of chromosomes likely to result in miscarriage, sometimes referred to as pre-implantation genetic screening. Sub-paragraph (1)(b) could, for example, authorise testing to establish the presence or absence of a genetic disorder in a case where there was a particular risk of such an abnormality being present, sometimes referred to as preimplantation genetic diagnosis. A particular risk might be evidenced, for example, by a family history of the disease.

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