A.懷孕開(kāi)始,0.4mgB.計(jì)劃懷孕,0.4mgC.懷孕開(kāi)始,0.4μgD.計(jì)劃懷孕,0.4μg
A.兩個(gè)月,一個(gè)月,兩周B.兩個(gè)月,一個(gè)月,一周C.一個(gè)月,兩周,一周D.一個(gè)月,兩周,3天