There are a number of indications for obtaining an endometrial biopsy in a non-pregnant woman: 1  Women with chronic anovulation such as the polycystic ovary syndrome are at increased risk for endometrial problems and an endometrial biopsy may be useful to assess their lining specifically to rule out endometrial hyperplasia or cancer.
In the summer, the preferred direction for a ceiling fan to spin in is a counterclockwise direction as you look up at the fan blades. You will feel a cool downward airflow as you stand directly under the fan. In the winter, the preferred direction for a ceiling fan to spin in is a clockwise direction.
In the winter, fan blades should rotate in a clockwise or reverse direction to redistribute warm air, which naturally rises to the top of the ceiling. Changing the direction of a ceiling fan is as easy pressing a button, flipping a switch, or tugging a pull chain.