TTC after Mirena

Lucy
Hi all,
I'm 24 and we are TTC #1. Mirena coil was removed 15th April and I had a medium to light AF starting about two days later for 5/6 days. Had no periods whilst coil was in so assumed that was the real deal. I am now on CD35 and no AF, tests all BFN so just wondering if anyone else has had their Mirena removed and then had a super long cycle afterwards? If so how long did it take you to regulate and/or conceive?