Abstract
Purpose: Determine if the evaluation of endometrium one week after embryo transfer can predict pregnancy.
Methods: Endometrial volume and thickness were evaluated by three-dimensional ultrasound in 40 patients one week after embryo transfer. These results were compared to serum pregnancy test performed one week later.
Results: Twenty two patients have achieved pregnancy. A significant difference was found for endometrial volume: 6.49±1.97 mL vs. 3.40±1.11 mL (pregnant vs. not pregnant); and thickness: 11.15±2.75 mm vs. 9.77±1.85 mm. The ROC curve was used to detect the best cutoff values: endometrial volume of 3.48 mL (sensitivity-100%, specificity-68.2%) and endometrial thickness of 10.3 mm (sensitivity-72.2%, specificity-77.3%). The area under curve was significant higher for endometrial volume (0.909 vs. 0.745, P=0.027). No pregnancy was achieved in women who had an endometrial volume <3.8 mL (15 patients) or thickness < 7.9 mm (3 patients).
Conclusions: The endometrial volume and thickness were significant higher in pregnant women and this difference was more prominent for endometrial volume.
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The endometrial volume and thickness evaluated by three-dimensional ultrasound one week after embryo transfer were significant higher in pregnant women.
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Martins, W.d.P., Ferriani, R.A., dos Reis, R.M. et al. Endometrial thickness and volume by three-dimensional ultrasound one week after embryo transfer to detect pregnancy. J Assist Reprod Genet 23, 347–350 (2006). https://doi.org/10.1007/s10815-006-9059-8
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DOI: https://doi.org/10.1007/s10815-006-9059-8