Ketones are products of fat metabolism. Usually they are not present in urine. However, they may appear in the urine if the diet fails to provide adequate amount of insulin, as in the case of prolonged fasting or starvation or as a result of insulin deficiency (diabetes mellitus). Further, insulin helps the body to use sugar for energy, but without it, fats are break down as energy source.
Aromatase helps to convert sex steroids, a group of hormones that influence sex development and reproduction, from male sex hormones (androgens) to female sex hormones (estrogens)
