An Answer Would Really Help? Thank You :)?

i came off the pill 31st october n had unprotected that nite, if i ovulated on the 3rd november could there still be a slight chance of me getting preg? but i think i had a period on 16th which lasted quite a while! i was most fertile 25th so i had and i shud of ovulated on 26-27th deff. because i got slight cramps backaches headaches leg pain feel tierd eat alot n pee alot, atm ive got pains in my lower stomach n slight spotting sory if tmi, do you think i could concieve this month :) im also ttc i hope for a bfp in 2 weeks :) thanks if you answer