| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why fraternal twins happen | 0.21 | 0.3 | 240 | 83 | 26 |
| why | 0.96 | 0.1 | 3987 | 56 | 3 |
| fraternal | 1.95 | 0.5 | 9792 | 42 | 9 |
| twins | 0.53 | 0.3 | 9940 | 32 | 5 |
| happen | 1.23 | 0.3 | 1361 | 45 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why fraternal twins happen | 0.29 | 0.7 | 4510 | 12 |
