If you are testing early, results can be difficult to read, as it may be hard to decipher a faint positive result over a colorless indent line, due to the depth of the result window. According to the baby forums, results also take longer to develop than other tests, some women having to wait between 5-10 minutes for an accurate result. Dec 16, 2020 · Other social media users commented that there seemed to be a very faint line next to the T band, which could mean that the test was actually positive, as the MEDSan site did say a weak or faint...