Table 3.
Comparison of pregnancy probability in different absolute change groups of ultrasound indicators.
| No change | Increased | Decreased | p value | |
|---|---|---|---|---|
| Endometrial thickness (mm) | 3/5(60.0%) | 106/150(70.7%) | 49/75(65.3%) | 0.558 |
| Endometrial volume (ml) | 2/2(100%) | 65/95(68.4%) | 91/133(68.4%) | 0.784 |
| Endometrial VI | 1/1(100%) | 54/82(65.9%) | 103/147(70.1%) | 0.622 |
| Endometrial FI | 1/1(100%) | 72/100 (72.0%) | 85/129(65.9%) | 0.270 |
| Endometrial VFI | 3/3(100%) | 57/84(67.9%) | 98/143(68.5%) | 0.746 |
| Sub-Endometrial volume (ml) | – | 70/105(66.7%) | 88/125(70.4%) | 0.543 |
| Sub-Endometrial VI | 1/1(100%) | 48/68(70.6%) | 109/161(67.7%) | 0.563 |
| Sub-Endometrial FI | 1/1(100%) | 27/65(70.7%) | 45/92(67.2%) | 0.491 |
| Sub-Endometrial VFI | 1/1(100%) | 21/45(68.2%) | 51/112(68.7%) | 0.930 |
| Frequency of endometrial peristalsis (times/min) | 16/24(66.7%) | 27/35(77.1%) | 115/171(67.3%) | 0.503 |
VI, vascularization index; FI, flow index; VFI, vascularization-flow index.