And so because we have less of this we're going to have less LH and FSH stimulation and these also directly affect the interior pituitary gland. So that means once again we'll have less LH and less FSH actually form. Now, what exactly is the result of that? Well, because of this negative feedback loop we'll have less Lewinizing hormone present in the blood. And because the corpus luteum means the luteinizing hormone to actually exist because we have less luteinizing hormone we'll have our corpus lute eventually deteriorate into the corpus albicans. And so what that means is because we have less of this we'll eventually form less progesterone and that basically ends the cycle, the menstrual cycle and it causes the process of menstruation to take place as long as no fertilization actually occurs.