(来学网)在胎儿胸部同一平面,正常胎儿心脏横径与胸部横径的比值应小于
  • A.
    (来学网)0.32
  • B.
    (来学网)0.42
  • C.
    (来学网)0.52
  • D.
    (来学网)0.62
  • E.
    (来学网)0.25
正确答案:
C