自然界中生物的生殖,因为是合乎规律的进行着,似乎是不应再存有疑问。但是从免疫学角度来看,例如人类的妊娠现象是属于一种完成了的同种移植。若以此观点来观察生殖,则意义很深,而且它包含着许多等待阐明的问题。已往,虽曾有很多从移植免疫学的观点 The reproduction of living things in nature, because it is conducted in accordance with the law, seems to no longer be in doubt. However, from an immunological point of view, human pregnancy, for example, belongs to a completed allograft. If you view reproduction in this perspective, it is of great significance, and it contains many problems waiting to be clarified. In the past, though, there have been many views from transplantation immunology