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.
How early can you take a pregnancy test? Based on the information above, it is safe to assume that most (but not all) newly pregnant women will have a sufficient amount of hCG by 7 to 10 days post ovulation to confirm pregnancy with a highly sensitive home pregnancy (for example, a test calibrated to detect 20 mIU/ml of hCG.