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, Harold James Charles (1922â2005), and Ganz, William (1919â2009), American cardiologists. From the 1960s Swan served as director of cardiology at a Los Angeles medical center and as professor of medicine at the University of California. In 1970 he introduced a catheter with an expandable balloon tip for use in measuring blood pressure in the pulmonary artery.