Chromosome Microarray (CMA&STR) Detection 2.0

Testing Content

Detection of 23 pairs of chromosomal aneuploidy and whole genome chromosomal abnormalities greater than 100kb.

Detection of polyploid abnormalities and investigation of cross-contamination.

Testing Method

Microarray chip method

CMA Chips

Sample Requirements

Miscarriage Tissue: Minimum 150mg, stored at 2-8°C. Transport with biological ice packs (2-8°C) within 5 days. Use a centrifuge tube containing preservation solution.

Fluff: Minimum 150mg, stored at 2-8°C. Transport with biological ice packs (2-8°C) within 5 days. Use a centrifuge tube containing preservation solution.

Amniotic Fluid Precipitating Cells (Isolated): 0.2ml, stored at -20°C. Transport with dry ice within 72 hours. Use a centrifuge tube.

Amniotic Fluid (Unseparated): 15ml, stored at 2-8°C. Transport with biological ice packs (2-8°C) within 72 hours. Use a centrifuge tube.

Umbilical Cord Blood: 2ml, stored at 2-8°C. Transport with biological ice packs (2-8°C) within 72 hours. Use an EDTA anticoagulant tube.

Maternal Venous Blood: 2ml, stored at 2-8°C. Transport with biological ice packs (2-8°C) within 72 hours. Use an EDTA anticoagulant tube.

Reporting Cycle

12 working days

Clinical Application Overview

Comprehensively investigate chromosomal factors causing miscarriage and fetal abnormalities to assist in clinical diagnosis.