If you have missed your period and are experiencing symptoms of pregnancy, it is possible that you could still be pregnant even if your test came back negative. Home pregnancy tests are generally accurate, but there can be instances where they produce false negatives. This could occur if the test was taken too early or not done correctly. It's recommended to wait a few more days and take another test using your first morning urine, as it tends to have higher levels of the pregnancy hormone hCG. If the second test also comes back negative and you continue to experience symptoms or miss your period for an extended period of time, it's advisable to consult with a healthcare professional for further evaluation. They may perform a blood test or other diagnostic tests to determine if you are indeed pregnant or if there is another underlying cause for your missed period and symptoms. Remember that every woman's body is different, so it's important to listen to your own intuition and seek medical advice when needed.