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.
Apply ice and heat. A pinched nerve is often accompanied by swelling, and swelling can compress the nerve even further. To help reduce swelling and increase circulation, rotate between periods of using ice and heat on the area of the pinched nerve, which is a method called hydrotherapy.