胎儿在子宫内的发育经过,生活条件,和婴儿出生后对新环境的生存适应过程有着密切的关系,许多导致死亡的病变是与子宫内环境的变化及通过产道发生的创伤,以及氧合作用紊乱等有着密切联系。本文拟就所收集的材料对这些关系作一些讨论。 Fetal development in the womb after, living conditions, and the baby after birth on the new environment, the process of survival and adaptation are closely related to many of the lesions that lead to death and the uterus is the environment changes and trauma through the birth canal, as well as oxygenation Disorder, etc. are closely linked. This article intends to discuss some of these relationships with the materials collected.