(来学网)宫内早孕超声表现为:①子宫增大;②宫腔内见妊娠囊;③妊娠囊内可见胚芽:④妊娠囊内可见胎心搏动
  • A.
    (来学网)①④
  • B.
    (来学网)①②
  • C.
    (来学网)①②③
  • D.
    (来学网)①②③④
  • E.
    (来学网)②③