Preliminary Data of Preimplantation Genetic Diagnosis for Aneuploidy Screening
Keywords:
Preimplantation genetic diagnosis (PGD), preimplantation genetic diagnosis for aneuploidy screening (PGD-AS), fluorescent in situ hybridization (FISH)Abstract
Objective: Preimplantation genetic diagnosis (PGD) is technique for detecting genetic diseases. Preimplantation genetic diagnosis for aneuploidy screening (PGD-AS) using fluorescent in situ hybridization (FISH) has been used worldwide including at Siriraj Hospital. The objective of this study was to compare the pregnancy rate between a PGD-AS group with standard assisted reproductive techniques (ARTs) in Siriraj Hospital.
Methods: Couples who requested PGD-AS underwent a standard ARTs process followed with blastomere biopsy for FISH analysis. The pregnancy rate was compared among the PGD-AS group and the control group. The control group was divided into 2 subgroups – all patients required ARTs subgroup and age ≥ 35 yrs. subgroup.
Results: 6 stimulated cycles from 4 patients were performed in the PGD-AS group. The pregnancy rate per stimulated cycle in the PGD-AS group, control group and age ≥ 35 yrs group were 33.33%, 16.20% and 12.05% respectively. Moreover, the pregnancy rate per transferred cycles in the PGD-AS group, control group and age ≥ 35 yrs group were 40.00%, 21.02% and 13.17% respectively.
Conclusion: PGD is an advanced method for detecting genetic defects. PGA-AS might increase the pregnancy rate.Â
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