<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing uterine contractions, leg cramps or spasms, spotting or bleeding during pregnancy, and fluid retention. Can you please tell me what might be causing these symptoms?  <response>: These can be symptoms of subacute thyroiditis. It is caused by the inflammation of the thyroid gland, which can lead to hormonal imbalances in the body. 