A negative pregnancy test can occur when you have a late period and are not pregnant. Your menstrual cycle is under hormonal control. The ovary usually releases one egg (ovulation) each month, and about two weeks after, the uterine lining sheds, resulting in menstruation.
In many cases a pinched nerve can be treated with rest and ice. If the pinched nerve is in the arm (carpal tunnel syndrome or cubital tunnel syndrome) the doctor may recommend a brace for a short period of time. The brace limits the amount of movement around the nerve, which allows it to rest and recover.
Pinched Sciatic Nerve - How to Get Relief. A pinched nerve describes damage to a nerve, causing an interruption to the function of the nerve. Pressure on the nerve by surrounding tissue causes the symptoms of pain, tingling, weakness or numbness along the pathway of the nerve.