| Variable | Number | Percentage |
| Knowledge statements |
|
|
| Helps in determining the fetal, cord and placenta position | 341 | 92.4 |
| Assists with finding the expected date of delivery | 309 | 83.7 |
| Useful with knowing the Sex of the fetus | 360 | 97.6 |
| Determines the Sex of fetus in the 10th weak | 99 | 26.8 |
| Use to detect any defect or congenital abnormalities during pregnancy | 289 | 78.3 |
| The monitoring of pregnancy complication one of the practices of the USS | 271 | 73.4 |
| Helps to detect amniotic fluid volume | 273 | 74.0 |
| Reduced maternal morbidity and perinatal mortality | 209 | 56.6 |
| The Fetal Heart rate detected by obstetric ultrasonography | 357 | 96.7 |
| Determines the fetal heart rate in the 6th weak | 246 | 66.7 |
| Predicts the way of delivery (normal? C-section) | 249 | 67.5 |
| Confirms the presence of abnormal pregnancy (multiple, ectopic and molar) | 334 | 90.5 |
| Give accurate information about fetal weight | 293 | 79.4 |
| Doesn't help in determining the Autism | 235 | 63.7 |
| Doesn't help in determining the cerebral palsy | 137 | 37.1 |
| Doesn't help in determining the learning difficulties | 244 | 66.1 |
| Contributes to the prediction of miscarriage during pregnancy. | 270 | 73.2 |
| Knowledge score category |
|
|
| Poor (≤50%) | 26 | 7.0 |
| Good (>50%) | 343 | 93.0 |
| Variable | Mean ± SD | Rang (min-max) |
| Knowledge score | 13.9 ± 1.7 | (8 - 17) |