Does semen induce ovulation

I’ve been tracking for two years and I’ve been very irregular I mean my cycles were from 30-60 days. My bf and I have been ttc for 4 months now and I feel like I ovulate sooner. My last 4 cycles were 31-32 days. Prior to ttc we used the pull out method. I’m 27 I got period at 13 I’ve always been healthy I’m not overweight but my periods were always irregular. Can I be wrong? Or is it due to age?