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Embryologist Christine Briton-Jones uses a fluorescent microscope to visualize the probes that bind specifically to the chromosomes we wish to study; in the cases of gender selection we are interested in the X and Y chromosomes. XX = a female XY = a male.
The Fertility Institutes uses Preimplantation Genetic Diagnosis (PGD) technology in conjunction with in-vitro fertilization to help couples to choose the sex of their future baby with a 99% success rate.
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