为了改善子宫胎盘血循环，孕妇卧床休息时一般采取的卧位为（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28457' and id < 2324673 and id<>'2324673' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28457' and id > 2324673 and id<>'2324673' order by id asc limit 5