单选题:根据材料回答题:初产妇,26岁。妊娠40周,规律宫缩8小时入院。查:髂棘间径25cm,骶耻外径20cm,坐骨结节间径7.

题目内容:
根据材料回答题:初产妇,26岁。妊娠40周,规律宫缩8小时入院。查:髂棘间径25cm,骶耻外径20cm,坐骨结节间径7.5cm。枕右前位,胎心134次/分,肛查宫口开大4cm。S+3。1小时后产妇呼叫腹痛难忍,检查宫缩1~2分钟一次,持续45秒,胎心102次/分,子宫下段压痛明显。肛查宫口开大5cm,胎头“0”。 此时产程受阻的主要原因是 A.漏斗型骨盆
B.扁平型骨盆
C.中骨盆狭窄
D.骨盆出口狭窄
E.骨盆人口狭窄
参考答案:
答案解析:

根据阅读材料,回答第题:What is the text about?[ A ] Advertisements are

根据阅读材料,回答第题:What is the text about?[ A ] Advertisements are the most important p

查看答案

根据材料回答题:初孕妇,25岁。妊娠39周,未进行定期的产前检查。主诉头痛3日,今晨出现视物不清及头痛剧烈,且呕吐2次,

根据材料回答题:初孕妇,25岁。妊娠39周,未进行定期的产前检查。主诉头痛3日,今晨出现视物不清及头痛剧烈,且呕吐2次,急诊来院就诊。查尿蛋白2.5g/24h。

查看答案

麻疹合并肺炎,需要隔离的时间至

麻疹合并肺炎,需要隔离的时间至

查看答案

--Have you got any idea for the summer vacation?--I don't mi

--Have you got any idea for the summer vacation?--I don't mind where we go _____

查看答案

Susan is nearly thirty-five. Her parents think it's time she

Susan is nearly thirty-five. Her parents think it's time she _________married. A

查看答案