Spotting on letrozole?

Midnight Society

Okay so my <a href="">iui</a> failed awhile back so starting over again with an increased dose of letrozole. I didn't spot the last cycle I took it but then again i took it on time and it was a smaller dose. I feel like my bleeding hasn't totally let up since my period. I'm now on day 9 and spotting even more. Unfortunately the last dose I took on day 7 was an hour late because I had forgotten to take it. Don't know if that matters or not. Just not sure how I'm gonna ovulate in the next few days with this spotting going on. Anyone else have issues with this? I'm so confused and hope I didn't mess up by taking it an hour late. :(