Of the 12 (28%) patients with no euploid embryos available for transfer with the second IVF/PGD cycle, five had a third cycle of PGD and two of these had euploid embryos available for transfer.     ///    Cohort of IVF-PGD cycles in a tertiary care ART facility.     ///    "Significant differences were found in terms of ongoing pregnancy (40%, P<0.05) and implantation rates (18%, P<0.05) in women with euploid embryos available for transfer with the first and second IVF/PGD cycles, compared to women with no euploid embryos available for transfer with either the first or second cycle. "    ///    "Of the six patients with no euploid embryos available after the second PGD cycle, four patients had a third IVF/PGD cycle, but none had euploid embryos available for transfer. "