体外受精-胚胎移植技术(IVF-ET)1.体外受精1.1定义:体外受精(InVitroFertilization)是指哺乳动物的精子和卵子在体外人工控制的环境中完成受精过程的技术,英文简称为IVF。Invitrofertilizationorfertilisation(IVF)isaprocessbywhichaneggisfertilisedbyspermoutsidethebody:invitro("inglass").Theprocessinvolvesmonitoringandstimulatingawoman'sovul...