| Hp (100) | Cb (101) | Cr (97) | Total |
---|---|---|---|---|
Controls | Â | Â | Â | Â |
 Increased | 41 | 1 | 1 | 51 |
 Decreased | 0 | 8 | 0 | |
 Δ15–30 % | 23 | 4 | 0 | 27 |
 Δ > 30 % | 0 | 2 | 0 | 2 |
Trisomy | Â | Â | Â | Â |
 Increased | 5 | 69 | 23 | 107 |
 Decreased | 10 | 0 | 0 | |
 Δ15–30 % | 9 | 29 | 16 | 54 |
 Δ > 30 % | 0 | 30 | 4 | 34 |