WLAB, I had a day 6 frozen blastie transferred, and the BT is only 12 days later. When I had a fresh transfer last year, my EPU was on 22/5, transfer was on 27/5 and I got my result on 6/6. So from EPU to BT it was 16 days.
Counting from EPU it's a bit longer to BT than when you have a FET, as they have to fertilize the eggs first in the fresh cycle and with FET the eggie is already fertilized. Hope that makes sense....

B x