Figure 3. (A) Combined Y-FISH and pan Cytokeratin staining identified male cell in epidermis of caesarean scar. Blue represents DAPI stained nuclei, green is cytokeratin staining of epidermal layer of skin caused by fluorescein Streptavidin. The white arrows indicate Y+ positive Cytokeratin positive cell. (B) Combined XY-FISH and pan Cytokeratin (AMCA). Arrow shows pan Cytokeratin positive male cell in epidermis of caesarean scar from a pregnant women.