Karyotype analysis of fetal blood cells

The test can identify numerical and structural chromosome abnormalities by means of high-resolution karyotype analysis (RTBG, ~550-850 bands) from at least 20 metaphases, following a short-term culture of 48-72 hours. In cases where mosaicism is suspected, a minimum of 100 metaphases are analyzed. Sampling is performed after the 20th week of gestation and during the 3rd trimester of pregnancy.

The test includes:

This test may also be applied in combination with: