(来学网)脐带绕颈可造成①胎儿宫内窘迫;②危及胎儿生命;③胎儿延迟入盆;④胎儿宫内发育迟缓
  • A.
    (来学网)
  • B.
    (来学网)①②
  • C.
    (来学网)①②③
  • D.
    (来学网)①②③④
  • E.
    (来学网)①④