椎体融合
关于胎动次数，下述哪项提示胎儿缺氧() ["A．胎动<30次/12h","B．胎动<25次/12h","C．胎动<20次/12h","D．胎动<15次/12h","E．胎动<10次/12h"]
Klipple-Feil综合征
T2～L1()T9-10()T6-7()T4-5() ["A．颈部","B．乳头部","C．胸骨剑突","D．腹股沟","E．脐部"]
关于胎儿电子监测，提示脐带受压的是() ["A．胎心率加速","B．变异减速","C．早期减速","D．NST无反应型","E．晚期减速"]
移行椎
