perinatalglossary / PERINATAL perinatal (per-i-nayt-[schwa]l), adj. Of or relating to the period from about the 12th week of gestation through the 28th day of life. Cf. NEONATAL. 词条贡献者 资深译员Betty,毕业于亚洲一流的高级翻译学院,专注翻译各种与商业移民有关的法律文件。