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
Cygnus (constellation) Cygnus /ËsÉªÉ¡nÉs/ is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. The swan is one of the most recognizable constellations of the northern summer and autumn, and it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross).