Table 11. Echocardiographic Pulmonary Hemodynamic Assessment During Third Trimester.
| Age group (years) | Total | RVID (cm) | PADP (mm Hg) | TRVel (m/s) | PASP (mm Hg) | TVIRVOT (cm) | PVCSA (cm2) | PBF (L/min) | PVRECHO (Woods Unit) |
|---|---|---|---|---|---|---|---|---|---|
| Study group | |||||||||
| A (18 - 25) | 30 | 2.93 | 10.4 | 2.23 | 19.3 | 25.7 | 3.48 | 7.54 | 1.103 |
| B (26 - 32) | 15 | 2.92 | 10.4 | 2.26 | 20.2 | 25.4 | 3.57 | 7.58 | 1.04 |
| C (33 - 40) | 11 | 3.13 | 10.9 | 2.27 | 20.1 | 25.36 | 3.52 | 7.53 | 1.07 |
| Total | 56 | 2.94 | 10.5 | 2.24 | 19.8 | 25.45 | 3.52 | 7.5 | 1.04 |
| Control group | |||||||||
| A (18 - 25) | 8 | 2.59 | 10 | 2.30 | 20.5 | 20.5 | 3.5 | 5.3 | 1.27 |
| B (26 - 32) | 4 | 2.71 | 10.2 | 2.33 | 22.4 | 20.7 | 3.51 | 5.1 | 1.28 |
| C (33 - 40) | 3 | 2.78 | 9.8 | 2.32 | 22 | 20.6 | 3.5 | 5.4 | 1.32 |
| Total | 15 | 2.67 | 10.1 | 2.3 | 21.2 | 20.5 | 3.5 | 5.3 | 1.28 |
No significant changes in pulmonary artery systolic pressures compared to first and second trimesters were observed (P > 0.05).