Translation of "Pre" in Japanese

Because of pre-existing conditions.

断られた家族などのために

To return to the person I'd been pre-diagnosis,

気持ちを捨て

That you have done something wrong in a pre-life.

「前世で何か悪いことをしたから」だと

When pre-racing blood test showed that my iron level is too low.

例えば 私が事前に 血液検査をしていて 鉄分が少ないとなると

I started out as pre-med, got halfway through my freshman year in college,

医学部進学過程の １年生の半分が経った時