I never did anything other than attempt to have sex on my fertile days based on my cycle length. It took 4 months. Personally i feel tracking everything from the start puts a lot of pressure on it and its not fun romantic sex as much as it like a have to do this.
I didn't use them, however, I did learn about fertility and monitoring my cervical mucus and basal body temperature (I only did this with my first, with the second I did pay attention to my cervical fluids).
I became pregnant on my first cycle each try. It didn't cause us any additional pressure, we didn't have sex any more (or less) then we would have otherwise .