When you are pregnant, prolactin changes are completely normal. In fact, your prolactin must increase in order to encourage the production of milk in your mammary glands. During pregnancy your hormones are all over the place. In particular, your estrogen levels begin to rise, and this is what stimulates the increase in your prolactin levels.
Hypercalcemia in Cats. Hypercalcemia is characterized by an abnormally high amount of calcium in the blood. A cat is considered hypercalcemic when its total serum calcium level is greater than 10.5 mg/dL.
Calcium plays an essential role in maintaining a healthy body in humans and animals. Too much of a good thing, however, can be dangerous, and this is definitely true for calcium. Discovering an elevated serum calcium level in cats is a fairly common finding in veterinary medicine.