Biochemical prenatal diagnosis by CVS
| Disorder for which fetus is at risk | Biochemical tests | Number tested | Number unaffected | Number (%) affected | |
|---|---|---|---|---|---|
| VLCFA | Plasmalogen synthesis | ||||
| ZS, Zellweger syndrome; ß-Ox, ß oxidation; *male fetuses only. | |||||
| ZS | X | X | 65 | 47 | 18 (28%) |
| ß-Ox defect | X | 6 | 6 | 0 (0%) | |
| RCDP | X | 14 | 6 | 8 (57%) | |
| X-ALD* | X | 20 | 12 | 8 (40%) | |