目的观察比较IVF-ET中使用冷冻供精及夫精的临床效果，了解正常精液经冷冻保存后使用是否影响IVF-ET的效果。
Objective To access whether the IVF-ET effect is affected by sperm cryopreservation through observing the clinical effect of adopting frozen donor semen and fresh husband sperm in IVF-ET ( In Vitro Fertilization-Embryo Transfer ) .
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