(来学网)正常足月胎盘厚度是多少,不超过多少:
  • A.
    (来学网)1.6~1.8cm,3.0cm
  • B.
    (来学网)2.6~2.8cm,4.0cm
  • C.
    (来学网)3.6~3.8cm,5.0cm
  • D.
    (来学网)4.6~4.8cm,6.0cm