Bone Density. Guide. A bone density test measures the density of minerals (such as calcium) in your bones using a special X-ray. This information is used to estimate the strength of your bones. We all lose some bone mass as we age.
On most lists of products containing estrogen, animal products like milk and beef are at the very bottom. Milk, for example, is said to provide 1.2 micrograms of estrogen per 100 grams.
Today, we use the word estrogen loosely to include also a family of hormones, including animal estrogens, synthetic estrogens, phytoestrogens (plant estrogens), and xenoestrogens (environmental estrogens, usually from toxins such as pesticides). Estrogen is a hormone that is pro-growth.