In our practice, we discontinue progesterone supplementation between 9 and 12 weeks of gestation. Available evidence suggests that the most common forms of progesterone supplementation are safe in early pregnancy.
Insulinoma in Dogs. Insulinomas are malignant neoplasms -- fast growing cancer cells -- of the beta cells in the pancreas. The beta cells primarily secrete insulin, among other hormones. Insulin produces a variety of effects in the body -- the primary one being to regulate glucose levels throughout the body's cells.
Hemangiosarcoma is a rapidly growing, highly invasive variety of cancer, occurring almost exclusively in dogs and rarely in cats and horses. It is a sarcoma arising from the lining of blood vessels; that is, blood-filled channels and spaces are commonly observed microscopically.