Find out quickly and easily if youre pregnant with our pregnancy test . For a reliable result, our test measures the elevated hCG level in your urine. By measuring the hCG level, the test determines whether you are pregnant. hCG is a hormone produced by the embryo to stimulate the production of progesterone in the corpus luteum. Understanding both aspects of fertility is important for couples trying to conceive. Monitoring ovulation can assess sperm quality, while fertility tests can determine a womans ovarian reserve.