I personally stick to the same loading scheme/method for the main lift for 3 weeks.
For example recently I did:
WEEKS 1-3: 1 x 5, 1 x 4, 1 x 3, 1 x 2, 1 x 1
WEEKS 4-6: Ramping to 3RM
WEEKS 7-9 (currently): Ramping to 2RM, then lower by 20-30lbs and do 2 reps EMOM for 10 minutes
WEEKS 10-12: Contrast set - first rep with about 90%, then lower by 40lbs and do max reps (in the same set) for 4 sets