| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| extra chromosome 18 | 1.66 | 0.7 | 7433 | 95 | 19 |
| extra | 1.91 | 0.6 | 9065 | 35 | 5 |
| chromosome | 1.92 | 0.3 | 4362 | 75 | 10 |
| 18 | 1.36 | 0.8 | 9184 | 31 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| extra chromosome 18 | 0.65 | 0.9 | 9676 | 49 |
| extra chromosome 18 disorder | 0.99 | 0.5 | 4942 | 47 |
| extra chromosome 19 | 0.03 | 1 | 7088 | 92 |
| extra chromosome 16 | 1.5 | 0.2 | 1282 | 49 |
| extra chromosome 17 | 1.72 | 0.8 | 9943 | 75 |
| extra chromosome 13 | 0.14 | 0.6 | 9610 | 43 |
| extra chromosome 15 | 1.7 | 0.9 | 6203 | 39 |
| extra chromosome 8 | 0.19 | 0.1 | 2221 | 75 |
| extra chromosome 15 syndrome | 1.8 | 0.9 | 7718 | 97 |
| extra chromosome 13 disorder | 0.16 | 0.2 | 752 | 18 |
| extra chromosome 12 | 1.83 | 0.9 | 3988 | 4 |
| extra chromosome 14 | 1.8 | 0.9 | 5710 | 70 |
| extra chromosome 15 disorder | 1.63 | 0.3 | 4166 | 27 |
| extra chromosome 10 | 0.09 | 1 | 8143 | 61 |
| extra 18th chromosome | 1.59 | 0.7 | 5907 | 22 |
| what disorder has an extra chromosome in 18 | 1.08 | 1 | 2935 | 73 |
| extra 18th chromosome disorder | 1.29 | 0.4 | 4547 | 83 |
| a baby has an extra copy of chromosome 18 | 0.81 | 0.8 | 6558 | 92 |
| what disorder has an extra 18th chromosome | 0.03 | 0.3 | 7684 | 83 |
