Please help me

So in March I had a chemical and never really started to bleed, I only experienced spotting,, well it got the the poi t that I would spot everytime I have sex or have an orgasm.. I've also been really tired lately and decided to take a test,, and to my surprise i came out positive so i tested again with the same urine and it also came out positive,, and so I got a little to happy and tested again but I realized the urine in the cup got cloudy and I had already put the pee on the test and it came up a faint positive,,

I went to the store and bought a frer and tested but it was negative,

How long should I wait to test?