孕几周前后超声可检测到多胎妊娠() ["A．6周","B．7周","C．8周","D．9周","E．10周"]
约孕几周前后声像图上可显示胎盘() ["A．4周","B．6周","C．9周","D．12周","E．14周"]
孕几周是胎儿股骨长度的最易测量时间() ["A．9～12周","B．14～22周","C．24～28周","D．32～36周","E．37～40周"]
假囊
用一句话表达异位妊娠的定义是() ["A．输卵管妊娠","B．腹腔妊娠","C．卵巢妊娠","D．任何位于子宫腔以外的妊娠","E．宫颈妊娠"]
弓形虫病
