We were both each other’s first time so no, we have never gotten tested for STIs. Would that be something we should do?

I'm 16 and on Lo Loestrin Fe, this is my 5th month on it. My last period finished yesterday and I started a new pack 2 days ago. Today I was having sex with my boyfriend and the condom (which came with spermicide on it) slipped off in me, and after that we had unprotected sex for a little bit and he...