| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| biparietal diameter in fetal ultrasound | 0.2 | 0.6 | 5383 | 86 | 39 |
| biparietal | 1.11 | 0.8 | 9422 | 87 | 10 |
| diameter | 0.06 | 0.2 | 6450 | 87 | 8 |
| in | 1.29 | 0.8 | 1400 | 41 | 2 |
| fetal | 1.99 | 0.3 | 9210 | 96 | 5 |
| ultrasound | 1.25 | 0.2 | 8396 | 60 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| biparietal diameter in fetal ultrasound | 0.19 | 0.9 | 9970 | 99 |
| biparietal diameter of the fetal head | 0.75 | 0.9 | 2885 | 61 |
| biparietal diameter of fetal skull | 1.52 | 0.6 | 597 | 35 |
| diametro biparietal fetal normal | 0.45 | 0.3 | 2775 | 50 |
| diametro biparietale del feto | 1.52 | 1 | 2785 | 88 |
| biparietal diameter vs head circumference | 0.25 | 0.3 | 2910 | 58 |
| biparietal diameter normal range | 0.83 | 0.3 | 1643 | 1 |
| the narrowest diameter of the fetal head | 0.48 | 0.3 | 9850 | 15 |
| bitemporal diameter of fetal skull | 1.76 | 1 | 7471 | 23 |
| presenting diameter of fetal head | 1.53 | 0.9 | 9485 | 69 |
| fetal head circumference chart | 1.06 | 0.2 | 7776 | 83 |
| fetal head measurement chart | 1.42 | 0.1 | 2656 | 75 |
| normal fetal head circumference chart | 0.8 | 0.2 | 8315 | 70 |
