This particular practice - known as Pre-implantation Genetic Diagnosis - was first developed in the United Kingdom in 1989. Since then, over 1000 babies worldwide have been born after undergoing this kind of testing, out of more than one million successful pregnancies to result from IVF treatment.
Dutch law prescribes that, prior to implantation in the mother's womb, IVF embryos may only be tested for a very limited number of defects, all of which must inevitably lead to life-threatening illnesses. Tests for Muscular Dystrophy and Huntington's disease are, for example, allowed under the current legislation. If an embryo is found to have genes...