Together with estrogen, progesterone: 1  Develops the uterine endometrium, or lining of the uterus, to prepare it for implantation. 2  Affects the metabolism, promoting fat deposition. 3  Maternal stores of body fat provide a reserve of energy for pregnancy and lactation. 4  Prepares breasts for lactation.
Swan-Ganz catheterization is the passing of a thin tube (catheter) into the right side of the heart and the arteries leading to the lungs. It is done to monitor the heart's function and blood flow. This test is most often done in persons who are very ill. How the Test is Performed
Swan Totem. Swan represents beauty, grace, long life, strength, and strong family bonds. It is a very powerful totem animal. In its life the Swan makes the transition from âuglyâ duckling to beautiful swan. Swans mate for life and both genders are extremely protective of their young and work for the benefit of the family.