檢視先天因素的原始碼

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|<center>'''先天因素'''<br><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fss2.meipian.me%2Fusers%2F662857%2Fedcce0e811684f30983ac340dfd956fc.jpg%3Fmeipian-raw%2Fbucket%2Fivwen%2Fkey%2FdXNlcnMvNjYyODU3L2VkY2NlMGU4MTE2ODRmMzA5ODNhYzM0MGRmZDk1NmZjLmpwZw%3D%3D%2Fsign%2Fc6852d8bc04c7baa3954702ea477990b.jpg&refer=http%3A%2F%2Fss2.meipian.me&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1713925010&t=d7022fb731a3d3990bd43edd7ab27f4a" width="280"></center><small>[https://www.meipian.cn/1snvhxf 圖片來自美篇]</small> 
|}'''先天因素'''指损害胎儿生长发育的有害因素，如一些药物、[[化学物质]]、放射线、病原微生物等。与遗传因素不同，先天性因素不是指遗传物质的改变，而是指那些能够损害正在发育的胎儿的有害因素。