aCGH Array comparative genomic hybridization. This is a technique that is used for PGT to detect aneuploidy. Related Articles: Complete guide to PGT-A (PGS testing)PGS (PGT-A) success rates144 “abnormal” (aneuploid/mosaic) embryos and their outcomesPGT-A meta-analysis finds live birth rates only improve with older patientsStudy finds differences in euploid, live birth rates among PGT-A testing labs