Parameters for 1.5T and 3T fetal MRIs
| Fetal Sequences |
|---|
| 1.5T, 3 planes, T2WI SSFSE |
| Free-breathing |
| TR/TE, 3000/87.8 ms, ST = 4 mm |
| FOV, 340 × 340 mm2 |
| Matrix, 320 × 224 px2 |
| Time, 22.4 seconds |
| 1.5T, 3 planes, steady-state FIESTA |
| Free-breathing |
| TR/TE, 3700/160 ms, ST = 4 mm |
| FOV, 34 × 34 mm2 |
| Matrix, 320 × 224 px2 |
| Time, 25 seconds |
| 3T, 3 planes, T2WI SSFSE |
| Free-breathing |
| TR/TE, 1400/96 ms, ST = 3 mm |
| FOV, 280 × 280 mm2 |
| Matrix, 320 × 288 px2 |
| Time, 22.4 seconds |
Note:—SSFSE indicates single-shot FSE; px, pixel; ST, section thickness.