If you are six weeks pregnant and experiencing a fever, body pain, and difficulty breathing, it is important to seek medical attention immediately. These symptoms could be indicative of an underlying infection or illness that may pose risks to both you and your baby. Contact your healthcare provider or go to the nearest emergency room for evaluation and treatment. They will be able to assess your condition, provide appropriate medical care, and ensure the safety of both you and your baby. It is always better to err on the side of caution when it comes to your health during pregnancy.