What are the chances of a false positive pregnancy test with two bars, one dark and one light?

The probability of a pregnancy test stick with two bars appearing one deep and one light false positive is generally small, it is possible to be pregnant, it is recommended to repeat two days later.
Women after coitus, if in the absence of safety measures, can be in coitus about 15 days to accept the early pregnancy test paper test, if to accept the pregnancy test paper test, the phenomenon of a deep and a shallow, may be caused by the test time is too early, this situation is also likely to be pregnant, it is recommended that two days after the early pregnancy test paper test again.
If the test is positive, it is necessary to go to a regular hospital to receive a blood HCG test, which is the gold standard for diagnosing pregnancy.
In addition, if a woman is diagnosed with pregnancy and has a need for childbearing, she needs to take active care of herself.