in vivo fertilizationglossary / IN VIVO FERTILIZATION in vivo fertilization. The process in which an egg is fertilized inside a woman’s body. Cf. ARTIFICIAL INSEMINATION; IN VITRO FERTILIZATION; ZYGOTE INTRAFALLOPIAN TRANSFER ; GAMETE INTRAFALLOPIAN TRANSFER. 词条贡献者 双语律师Denise,知名法学院国际私法专业,擅长翻译各类与国际争议解决相关的法律文件。