(来学网)羊膜腔穿刺流产风险为
  • A.
    (来学网)0.5%
  • B.
    (来学网)1%
  • C.
    (来学网)2%
  • D.
    (来学网)4%
  • E.
    (来学网)5%
正确答案:
A