How often do you get checked for STIs? How long after and before your partners?

I'm just curious to see people's habits.

Do you use protection?
Every 3 months no matter what
Right away after my last partner
A month after my last partner
Only before each new partner
Once a year or never
Select gender and age to cast your vote:
How often do you get checked for STIs? How long after and before your partners?
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