Retrospective Study
Copyright ©The Author(s) 2023.
World J Clin Cases. May 6, 2023; 11(13): 2945-2955
Published online May 6, 2023. doi: 10.12998/wjcc.v11.i13.2945
Table 6 Comparison of endometrial thickness and blood flow resistance
Detection Method
Endometrial thickness
Blood flow resistance in the endometrium
≤ 1.5 mm
≥ 1.5 mm
≤ 0.5
≥ 0.5
TAS group (n = 63)36 (57.14)27 (42.86)24 (38.10)39 (61.90)
TVS group (n = 77)46 (59.74)31 (40.26)43 (55.84)34 (44.16)
χ21.0964.374
P value0.0190.036