The Federal Aviation Administration of the United States is a national authority with powers to regulate all aspects of civil aviation. These include the construction and operation of airports, air traffic management, the certification of personnel and aircraft, and the protection of U.S. assets during the launch or re-entry of commercial space vehicles.
White: Thick, white discharge is common at the beginning and end of your cycle. Normal white discharge is not accompanied by itching. If itching is present, thick white discharge can indicate a yeast infection. Clear and stretchy: This is fertile mucous and means you are ovulating. Clear and watery: This occurs at different times of your cycle and can be particularly heavy after exercising.
Normal, clear sputum is a serous discharge. Large amounts of clear, frothy or pink sputum that is of a similar consistency as normal sputum may be a sign of pulmonary edema, which is an accumulation of fluid in the lungs. If it extremely profuse and lasting for weeks or months, then it may be due to lung cancer.