Hello! I need some help! TIA

Glow averages my cycle as 30 days, and my LP at 14 days. I'm due for AF on the 22nd. I don't know if/when I ovulated exactly I just go by the ovulation pains I have around that time, so if I go by those cramps I'm 9/10 dpo, if I go by glow I'm 6dpo. I'm about to start charting my bbt due to concern, but my question is if I am right on my estimate of when I ovulated, would this indicate I have a longer LP? I've heard that women with longer LPs may have problems TTC due to progesterone problems or something, but I can't exactly remember?

Does anyone have any idea what I'm talking about? And if so any info would be awesome! Thanks!