Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.
These tests can detect pregnancy earlier than a home pregnancy test, or about six to eight days after ovulation. But with these tests, it takes longer to get the results than with a home pregnancy test. Two types of blood pregnancy tests are available: A qualitative hCG test simply checks to see if hCG is present.
The egg deteriorates quickly and usually lasts 24 hours or less after ovulation. If you had sex on the 25th, that would have been too late. If you were pregnant, the earliest you should take a pregnancy test would be the 4th or 5th of December.