A pregnancy test typically shows a positive result if it detects the hormone hCG, which is produced during pregnancy. If you're asking out of curiosity or for a prank, it's essential to consider the implications, as this can be misleading. Is there a specific reason you're looking into this? If you're trying to confirm a pregnancy, it's best to follow the instructions on the test carefully. Feel free to share more about your situation if you'd like some guidance!