| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| corpus callosum on ultrasound | 1.85 | 1 | 6579 | 30 | 29 |
| corpus | 1.64 | 0.4 | 3923 | 36 | 6 |
| callosum | 1.18 | 0.5 | 8394 | 67 | 8 |
| on | 1.52 | 0.2 | 9195 | 86 | 2 |
| ultrasound | 0.88 | 0.4 | 7675 | 33 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| corpus callosum on ultrasound | 1.36 | 0.6 | 6765 | 82 |
| agenesis of corpus callosum fetal ultrasound | 1.42 | 0.6 | 9867 | 95 |
| agenesis of the corpus callosum ultrasound | 1.77 | 0.1 | 4958 | 10 |
| corpus callosum fetal ultrasound | 1.5 | 0.2 | 2969 | 60 |
| absent corpus callosum ultrasound | 1.22 | 0.8 | 127 | 9 |
| normal corpus callosum fetal ultrasound | 0.49 | 1 | 2552 | 15 |
