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Table 2 Ultrasound parameters between two Groups - Endometrial morphology and Endometrial thickness at baseline, at day 6, 8 and 10 after controlled ovarian stimulation, at trigger day and at embryo transfer day

From: Continuous endometrial volumetric analysis for endometrial receptivity assessment on assisted reproductive technology cycles

   Negative Group
N = 123 (72.8%)
Positive Group
N = 46 (27.2%)
p Value
Basal Endometrial Morphology (ML/NM) 0% / 100% 0% / 100% NS
Endometrial Thickness (in mm) 4.32 ± 0,72 4.22 ± 0,51 0.387
Day 6 after Controlled Ovarian Stimulation Endometrial Morphology (ML/NM) 78.9% / 21.1% 93.5% / 6.5% 0.15
Endometrial Thickness (in mm) 6.32 ± 0.96 6.28 ± 0.75 0.827
Day 8 after Controlled Ovarian Stimulation Endometrial Morphology (ML/NM) 100% / 0% 100% / 0% NS
Endometrial Thickness (in mm) 7.47 ± 0.80 7.96 ± 0.79 0.01
Day 10 after Controlled Ovarian Stimulation Endometrial Morphology (ML/NM) 100% / 0% 100% / 0% NS
Endometrial Thickness (in mm) 8.01 ± 1.04 8.61 ± 0.98 0.01
Trigger Day with rhCG Endometrial Morphology (ML/NM) 100% / 0% 100% / 0% NS
Endometrial Thickness (in mm) 8.53 ± 1.32 9.59 ± 1.44 0.001
Embryo Transfer Day Endometrial Morphology (ML/NM) 4.1% / 95.9% 4.3% / 95.7% 0.613
Endometrial Thickness (in mm) 9.06 ± 1.30 10.15 ± 1.35 0.001
  1. Ratios in percentages (%) and mean values with standard deviation (SD). NM Non multi-layered endometrium; ML Multi-layered endometrium; rhCG recombinant human chorionic gonadotropin; NS No statistical analysis performed