Table 3 Ultrasound parameters between two groups – Endometrial thickness, volume and adjusted endometrial volume at baseline, at day 6, 8 and 10 after controlled ovarian stimulation, at trigger day and at embryo transfer day
Negative Group N = 123 (72.8%) | Positive Group N = 46 (27.2%) | t-Test p Value | ||
|---|---|---|---|---|
Basal | Endometrial Thickness (mm) | 4.32 ± 0.72 | 4.22 ± 0.51 | 0.387 |
Endometrial Volume (mm3) | 2.52 ± 0.71 | 2.77 ± 0.63 | 0.54 | |
Adjusted Endometrial Volume | 4.60 ± 1.42 | 5.51 ± 1.28 | 0.21 | |
Day 6 after Controlled Ovarian Stimulation | Endometrial Thickness (mm) | 6.32 ± 0.96 | 6.28 ± 0.75 | 0.827 |
Endometrial Volume (mm3) | 3.08 ± 0.66 | 3.33 ± 0.57 | 0.024 | |
Adjusted Endometrial Volume | 5.63 ± 1.50 | 6.67 ± 1.38 | 0.001 | |
Day 8 after Controlled Ovarian Stimulation | Endometrial Thickness (mm) | 7.47 ± 0.80 | 7.96 ± 0.79 | 0.01 |
Endometrial Volume (mm3) | 3.90 ± 0.94 | 4.40 ± 0.71 | 0.002 | |
Adjusted Endometrial Volume | 7.28 ± 2.67 | 8.98 ± 2.47 | 0.001 | |
Day 10 after Controlled Ovarian Stimulation | Endometrial Thickness (mm) | 8.01 ± 1.04 | 8.61 ± 0.98 | 0.01 |
Endometrial Volume (mm3) | 4.12 ± 1.01 | 4.91 ± 0.82 | 0.001 | |
Adjusted Endometrial Volume | 7.60 ± 2.54 | 9.99 ± 2.61 | 0.001 | |
Trigger Day with rhCG | Endometrial Thickness (mm) | 8.53 ± 1.32 | 9.59 ± 1.44 | 0.001 |
Endometrial Volume (mm3) | 4.52 ± 1.00 | 5.33 ± 0.76 | 0.001 | |
Adjusted Endometrial Volume | 8.30 ± 2.52 | 10.76 ± 2.62 | 0.001 | |
Embryo Transfer Day | Endometrial Thickness (mm) | 9.06 ± 1.30 | 10.15 ± 1.35 | 0.001 |
Endometrial Volume (mm3) | 4.84 ± 1.01 | 5.59 ± 0.77 | 0.001 | |
Adjusted Endometrial Volume | 8.32 ± 2.58 | 10.83 ± 2.73 | 0.001 |