It is possible to still be pregnant even if a home pregnancy test shows negative results. Home pregnancy tests detect the presence of the hormone hCG, which is produced by the placenta after implantation occurs. However, it takes time for hCG levels to rise enough to be detected by a test. If you took the test too early or did not follow the instructions correctly, it could result in a false negative. Additionally, some women may have low levels of hCG that are not detectable by home tests. In these cases, it is recommended to wait a few more days and retest or consult with your doctor for further evaluation. They may suggest a blood test, which can detect lower levels of hCG and provide more accurate results.