This is a condition of very low amounts of bone. With this problem, there is a high frequency of broken bones, especially the hip and the spine. During this time, symptoms of menopause may occur, disappear, and then reappear. A substance in the body that binds to progesterone. The receptor is like a lock mechanism, and progesterone is the key that fits the lock.
Progesterone only works if it binds to the progesterone receptor.
This is a synthetic form of progesterone. This class of drugs was originally developed to allow absorption by mouth for use in birth control pills. Progestin means that these medications work like progesterone in the body. The decision about which patient should use which treatment is made through a randomization procedure. Patients are assigned their treatment in random order, through a method that gives them assignments similar to a coin-toss decision.