TTC after going off the pill

So I’m here hoping someone else has been through similar situations as myself. I already have two children and am trying for a 3rd. I stopped taking birth control in may and had a very long cycle in June (37 days). I am

Hoping for this month and only have two days until AF, but have only had intermittent mild cramps, back aches, and very very sore breasts. I had one day of spotting (if you would even call it that- just light pink tinged and lasted less than a day) a few days ago. I’m hoping this was maybe implantation bleeding. Anyone else had similar experiences going off the pill? I’ve heard most people say they conceived the second cycle off the pill.