And we also check to see the RH factor.

我们还检查 RH 因素。

Unfortunately, matching donors and recipients is a bit more complicated due to additional antigen systems, particular the Rh factor, named after the Rhesus monkeys in which it was first isolated.

不幸的是，由于额外的抗原系统，将捐献者与接收者匹配稍微有点复杂。尤其是Rh因子，这个因子是以恒河猴第一次被隔离之后的地方命名的。

But A and B antigens are not the only antigens found on your red blood cells; you also have an antigen called the Rh factor.

但是A和B抗原并不是红细胞上的唯一的抗原；还有一种称为Rh因子的抗原。