When you have regular cycles, can weight still be the problem for infertility?

In the past 7 months I've been tracking my ovulation with opk's and I got my peak on day 17-18 six times. Had my period show up 12-14 days after the peak. So I guess I can say my cycle is quite on track?

But still, we haven't conceived... So, can it still be my weight? Or is an irregular cycle really the symptom that weight is an issue?

I really hope it will still happen this year... In January we have be trying for 1,5 years and I guess we'll go see a doctor by then 😕

AF is due in a few days, on 9dpo today, so I keep my fingers and toes crossed! 🙈