此外，临床妊娠组与非妊娠组在促排卵方案方面存在一定差异。

The clinical pregnancy patients retried more oocytes than in non-pregnancy group.

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目的：研究短方案超促排卵过程中过早黄素化对IVF结局的影响。

Objective: to gain insight into the relationship between premature luteinization and outcome of IVF in short-term protocol.

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