On most modern furniture and kitchen cupboards, veneer is not glued to natural hardwood, instead it is attached to particle board, which is a mixture of sawdust and glue which is pressed into large sheets. Often the edges are finished with real wood, so the veneer and particle board construction is not visible.
They have highly sensitive blood tests that can detect the pregnancy hormone (hCG) a few days earlier around day 3 to 4 after implantation. Again, some women have had positive urine tests as early as 2 to 3 days after implantation and others have had to wait up to a few weeks.
However, the embryo implantation process is not different enough to warrant changing the timing of the blood pregnancy test. Frozen blastocyst transfers should have hatching and the beginning of implantation by about 1-3 days after the FET.