Okay, so I've been winging it a bit with my dosages and overfill. I'm on my last injection of the first month at what's supposed to be 15mg, but with the extra, I figure it's closer to 19mg.
Week 1: I injected 15mg, then an extra shot on day 4 (about 4mg).
Week 2: Same deal, 15mg, then an extra...