下列有关妊娠合并心脏病的处理，哪项不合适

A．除非病情需要，一般不主张预防性应用

B．产程进展慢，估计有头盆不称者，以剖宫产为宜

C．产后出血时应立即静注麦角新碱

D．临产后用抗生素，直至产后一周

E．临产后应密切观察心跳、呼吸

No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be（）.

A.bought

B.analyzed

C.consulted

D.published