The pins and needles on the body also called Paresthesia which is feeling of tingling or pricking and numbness. The chronic Paresthesia is due to neural disorder. There is long list of the factors responsible for your condition. One of them is menopause. I think this cab be a reason of Paresthesia in you. I advise you to visit a doctor and get proper diagnosis and treatment. For more details, visit Paresthesia.