Treatment depends heavily on the physiologic status of both the mother and the fetus, as well as the gestational age of the fetus.

治疗主要取决于母亲和胎儿的生理状况，及胎儿的胎龄。

Survival at this gestational age has never happened before so before Curtis was born his chances of survival would have been less than one percent.

在这个龄存活下从未发生过，所在 Curtis 出生之，他的存活机会不到百分之一。

The decision to induce delivery depends heavily on the gestational age of the fetus as well as the severity of the disease and how it's affecting both maternal and fetal health.

是否终止妊娠很大程度上取决于胎龄、病情严重程度及其对母胎健康的影响。