There can be several reasons for missing your periods and getting a negative pregnancy test result. It's important to understand that home pregnancy tests are not always accurate, especially if taken too early or if not done correctly. Other factors that can cause missed periods include hormonal imbalances, stress, excessive exercise, changes in weight or diet, certain medications, and underlying health conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders. If you continue to miss your periods or have concerns about your fertility, it is recommended to consult with a healthcare professional who can provide further evaluation and guidance. They may suggest additional tests or examinations to determine the underlying cause of your missed periods and address any potential issues.