Then bend your wrist outward toward your little finger. If you feel pain on the thumb side of your wrist, then you most likely have de Quervain's. The Finkelstein test is done to make sure that you do not have a different problem, such as arthritis in the bottom of your thumb or intersection syndrome.
Calculation Using An ovulation Calendar: 1  The first day of a period is considered as day 1. 2  Usually on day 14, the egg is released and is waiting for the sperm to fertilize it. 3  The egg has a lifespan of just 12 to 24 hours whereas a sperm can last for about 72 hours in a woman.
If your cycles are very regular, you may be able to determine when you ovulate by doing some simple math: in the average menstrual cycle, ovulation occurs 14 days before the menstrual period arrives -- or on day 14 of a 28-day cycle.