It can cause a false positive result or a faint line on a pregnancy test because the brief pregnancy produces a small amount of hCG in your body. You made a mistake in taking the test.

If getting a faint line on a pregnancy test is something ... menopausal may also have a higher hCG and could have a positive ...

You might not even physically notice that you have lost the fertilised egg, yet it could send mixed hormonal messages which mean you get a faint but positive message from one test but then either get ...