该文就遗传与各种环境因素包括化学因素、物理因素、生物因素、生活习性、营养、地理因素等对胎儿生长的影响作一综述。
In this article , we summarized the effects of genetic and various environmental factors , such as chemical , physical and biological factors , style of life , nutrition , geographical factor and so on fetal growth .