Polycythemia can result from internal problems with the production of red blood cells. This is termed primary polycythemia. If polycythemia is caused due to another underlying medical problem, it is referred to as secondary polycythemia.
PMS can last 1-2 weeks. Premenstrual syndrome (PMS) is characterized by a number of symptoms related to a womanâs menstrual cycle. They occur a week or two before monthly menstruation begins, and ordinarily, they disappear at that time.
The time limit for the test. The PMP exam lasts for 4 hours or 240 minutes. It can be rather unnerving to take a test while the clock is ticking away. Although it is a long exam, candidates get a substantial amount of time to finish the test.