排卵前期促进子宫内膜增生的主要激素是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31090' and id < 2499972 and id<>'2499972' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31090' and id > 2499972 and id<>'2499972' order by id asc limit 5