Excess heat in a body... please help me

Hi everyone,

I have a few question regarding excess heat in a body.

I am planning to get conceive. So, I wanted to get my body temperature normal / naturally.
So can you please help me with your valuable remedies.

How to mould my body to conceive as quick as possible. Its already three years of my married life. So, I started trying to get conceive since 6months, I didn't get conceive. But during my periods their is a sever back-ach. Previously I have never been suffer like this. Just its started from 4months. Should I need to concern a doctor?

And, I heard from my friends that if its heat body i can't conceive. is it true?
Please help me out from this.

Thank you