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In medicine and (clinical) genetics preimplantation genetic diagnosis (PGD) is a method to test embryos for genetic disorders before they are reimplanted in the uterus.
When a genetic disorder occurs in a family, the parents are usually reluctant to attempt pregnancy again, given the 25-50% chance (dependent on the type of disorder) of recurrence after a previous child has been affected.
A solution to the problem is the use of in vitro fertilisation (IVF) with testing of each embryo at blastocyst stage for the presence of the disease-causing genes. Although there remains a small chance of false negative results, this would eradicate the possibility of recurrence of the disease in question.
In theory, PGD could be used for stub. You can help BambooWeb by .