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.
To confirm the diagnosis, however, your veterinarian will order laboratory tests to measure the levels of zinc in your cat's blood. These tests can also help evaluate your cat's blood clotting mechanism, an indicator of zinc toxicity.In addition, X-rays are often used to confirm if your cat has ingested zinc-containing materials. 1  1. 2  2.hese tests can also help evaluate your cat's blood clotting mechanism, an indicator of zinc toxicity. In addition, X-rays are often used to confirm if your cat has ingested zinc-containing materials. 1  1. 2  2.