流产后感染扩散的主要途径是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26923' and id < 2239107 and id<>'2239107' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26923' and id > 2239107 and id<>'2239107' order by id asc limit 5