Cycle issues while ttc

Trying for number 2. But ever since I got my period back after I finished breast feeding, so almost a year ago, I start spotting 2 days early, and then full flow period doesn’t kick in until maybe 4 days in of spotting and then it just lasts 2-3 days before stopping. It’s consistently like this each month. I’m just worried it’s going to make getting pregnant impossible. Anyone have experience with this? I asked my doc and drs always seem to just say “everything is normal.” But my periods haven’t been that way my whole life so it’s just a know my body type of thing.