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.
How long is PMP Certification is good for? Once you receive your PMP certification, you need 60 hours of project management education within a three year period. This is an ongoing process so you will need to continue â¦to gain more education in order to keep your certification active.