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1·But for the Church the impact will be felt more widely than UCAN.

对天主教会来说，影响比天亚社所受的更为深远。

2·Objective To compare the value of B-mode (B-US) and color Doppler ultrasound (CD-US) in diagnosis of umbilical cord around neck (UCAN).

目的比较B型与彩色多普勒超声(彩超)在诊断胎儿脐带绕颈中的价值。

3·The rate of fetal intrauterine poverty-stricken, caesarean birth and less of amniotic fluid is obviously higher in cases of UCAN than without UCAN (P<0.01).

脐带绕颈组胎儿宫内窘迫率，胎儿剖宫产率及羊水过少的发生率明显高于无脐带绕颈组（P<0.01）。

4·Methods We compared the ultrasonic results of 180 cases who have been pregnant for 30 to 41 weeks and were suspected to have UCAN by B-US or CD-US to the results of delivery.

方法对产前行常规B超或彩超检查，疑有胎儿脐带绕颈的180例30～ 41周孕妇的超声检查结果与分娩结果进行对比分析。

5·Conclusion D/W ratio of UCAN detecting by ultrasonography can imply fetal intrauterine anoxia in time, and can provide strong help for clinical early diagnosis and timely treatment.

结论超声检测绕颈脐带切面D/W比值可及时提示胎儿宫内缺氧，为临床尽早诊断和治疗提供有力帮助。

6·The rates of fetal intrauterine distress, cesarean section and the incidence of deficiency in amniotic fluid were obviously higher in cases of UCAN than in those cases without UCAN (P<0.01).

脐带绕颈组胎儿宫内窘迫率、胎儿剖宫产率及羊水过少的发生率明显高于无脐带绕颈组（P<0·01）。