You can start TTCing straight away as far as I know. I cant comment on your cycles but for me I had slight bleeding a few days after the lap and AF came 14 days after my lap.
I had a lap on June 11 of this year and an IUI on July 9. We started right away. AF came two weeks after my lap too.
I did not wait for AF and started right after. I guess it depends on how you feel around O. I felt totally back to normal but some ladies don't feel well enough to bd for a few weeks after.