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(×10 mm /s) 基于结合带D mean分层与胚胎质量(优质胚胎/次优胚
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2
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80
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胎)构建4组分析队列可以得出,高子宫结合带D mean
mean 60 (D mean≥43.33×10 mm /s)联合优质胚胎组临床妊娠
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2
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Junctional zone D * 40 (D mean< 43.33×10 mm /s)联合次优胚胎组临床妊娠
率最高(临床妊娠 vs.未妊娠:73% vs. 27%),组间差
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异接近统计学显著性(P=0.07);低子宫结合带 D mean
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2
20
率最低(临床妊娠vs. 未妊娠:17% vs. 83%),组间差
0 异有统计学意义(P <0.001,图5)。
Clinical pregnancy group Non⁃pregnant group
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The D mean value of the junction zone in the clinical pregnancy 3 讨 论
group was higher than that in the non⁃pregnant group(P=0.029).
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图 2 早期临床妊娠组与未妊娠组子宫结合带 D mean比较的 FET 技术为不孕不育患者提供了更多次移植、
箱式图 妊娠机会,超过50%的早期妊娠因着床失败而导致
Figure 2 Box plot comparing junctional zone D mean between 流产,影响胚胎早期着床的因素较为复杂,包括临
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the early clinical pregnancy group and non ⁃ 床激素水平、胚胎质量、内膜容受性等,子宫内膜容
pregnant group 受性的准确评估,是辅助生殖技术的难点与重点。
娠成功的独立危险因素(OR=0.20,P=0.003,表 5)。 超声是目前临床应用最广泛的评估方法,但其对技
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□ Clinical data □ MRI parameters(the D of the junction zone)
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BMI:20.5 kg/m 2 D mean=46.69×10 mm /s
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Primary infertility D 90th=192.06×10 mm /s
A Natural cycle
Blastocyst stage
Successful pregnancy
BMI:22.9 kg/m 2 D mean=39.59×10 mm /s
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-3
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Primary infertility * -3 2
D 90th=54.40×10 mm /s
B Artificial cycle
Blastocyst stage
Non⁃pregnancy
A:showed a woman diagnosed with primary infertility who achieved early clinical pregnancy with high⁃quality embryo. MRI parameters of the junc⁃
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tional zone:mean D :46.69×10 mm /s(critical value:43.33×10 mm /s);90th percentile of D :192.06×10 mm /s(critical value:54.48×10 mm /s).
Both parameters exceeded the critical values. B:showed a woman diagnosed with primary infertility who had an early clinical pregnancy failure and the
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2
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embryo quality was high quality. MRI parameters of the junctional zone:mean D :39.59×10 mm /s(critical value:43.33×10 mm /s);90th percentile
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of D :54.40×10 mm /s(critical value:54.48×10 mm /s). Both parameters were below the critical values.
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图3 子宫结合带D mean及D 90th在2例优质胚胎FET患者不同妊娠结局中的预测价值
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Figure 3 Predictive value of D meanand D 90th in different pregnancy outcomes of two FET patients with high quality embryo
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表4 胚胎质量、子宫结合带D 直方图参数预测早期临床妊娠结局的效能比较
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Table 4 Comparison of embryo quality and the junctional zone D histogram parameters in predicting early clinical pregnancy
outcomes
Variable AUC(95%CI) Cut⁃off value Sensitivity(%) Specificity(%)
Embryo quality 0.65(0.51-0.78) 53.6 73.2
* 0.68(0.55-0.81) -3
Junction zone D mean 43.33×10 73.8 67.9
* -3
Junction zone D 90th 0.65(0.52-0.79) 54.48×10 61.9 67.9
Combined model 0.73(0.61-0.85) 82.1 60.0
Combined model:integrated model combining embryo quality and junctional zone mean D . *

