Clinical indications

Children or adults with unexplained disease symptoms (Peripheral blood DNA) Prenatal
Miscarriage products of conceptions (chorionic villus DNA) Fetal ultrasound structural abnormalities (amniocyte DNA) High risk pregnancies (advanced maternal age, soft ultrasound marker)


Wet lab
Patent PCR-free library construction technology Low input: 10-50ng DNA Detection of aneuploidy, large fragment deletion/duplication, whole genome CNVs (>100kb) chromosome mosaicism (>10%)
Dry lab (Bioinformatics)
CNV analysis system

Case sharing – apoblema testing

Clinical information:
31 yrs, induced labor one time, a biochemical pregnancy, six times of embryo arrest. She did such test at 7+3 weeks, no fetal buds or fetal heart.
Test results:
seq [hg19] dup(2)(q36.1q37.3) chr2:g. 224740001_243020000dup seq [hg19] del(8)(q24.23q24.3) chr8:g. 138800001_146300000del
CNV-seq identified terminal deletion/duplication events at the end of chromosomes 2 and 8, indicating an balanced translocation. Follow up FISH verified that the husband had t(2;8)(q36.1;q24.23) balanced translocation. The couple choose PGT and they successfully achieved a healthy baby.
Why choose Berry Genomics for CNV-Seq
Low cost Integrated professional teams for sequencing, data analysis and reporting Fast turnaround time Reliable and accurate results equivalent to current array CGH and SNP arrays
The clinical significance of CNV-Seq
Can detect aneuploidy, CNVs (resolution 0.1Mb) and mosaicism (resolution) that are associated with known chromosome disease syndromes Applicable to genetic diagnosis of preconception, prenatal and postnatal samples Can identify a genetic cause of miscarriage samples Reliable results can be obtained from rare samples or samples with low amounts of DNA
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