PRE-IMPLANTATION DIAGNOSTICS: THE SCANDAL SURROUNDING NON-VALIDATED TESTS
Pre-implantation diagnostics have been carried out since the 1990s to detect chromosomal anomalies in embryos prior to implantation. Several techniques have been devised for this purpose. Polar body biopsies were initially carried out prior to fertilisation. Polar bodies or globules are cells formed during egg maturation, which disappear after fertilisation. They should have the same…