34岁妇女，自然流产3次，均为妊娠20〜 24周。分析原因，最大可能是下列哪一项

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26868' and id < 2232926 and id<>'2232926' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26868' and id > 2232926 and id<>'2232926' order by id asc limit 5