Table 1

Cytogenetic results

Culture type		No of cells
Culture type		46,XY	47,XY, +21	48,XY, +21,+ 21
Semidirect CVS	—	10	10
Long term villi	—	8	—
Cord	13	—	—
Skin	17	—	—
Kidney	64^1-150	15^1-150	—
Tissue mixture	137^1-150	44^1-150	—

↵1-150 Cells analysed by FISH.