患者，女，28岁。妊娠28周，多次餐后尿糖（+), 糖化血红蛋白6%,无糖尿病症状。为确定此患者 有否糖尿病，首选下列哪项检査(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26338' and id < 2202354 and id<>'2202354' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26338' and id > 2202354 and id<>'2202354' order by id asc limit 5