“…PGS or PRS is not currently used in a clinical setting for diagnosis due to multiple limitations, and its variability in different ethnicities means that it can be invalid for diverse populations. This is also shown in the study by Rämö et al, 1 in that a significant variant in 1 biobank was not significant in the other and vice versa, until a meta-analysis was performed. This may be due to sample size but may also be due to genetic ancestry, raising significant doubt regarding their involvement in the pathogenesis of the diseases.…”