So I am on Depo and have been for nearly six months, and a test said I'm pregnant. I'm really confused, because I can't be. Anyone else had similar problems? I'm freaked out to say the least. My mum got pregnant on contraception, but still. I didn't think this would happen.
Usualy those at-homes test are very reliable and have a very low/non-existent false positive rate. I would advise you to go ahead and make an appointment with your doctor to confirm the pregnancy and discuss your options.
I agree that those tests are highly accurate, so I'd definitely retest and put in a call to the doctor. There's very little that can cause a false positive on them (with the exception of squinting at them way after the 10 minute time window in which they're supposed to be read.) I hope somehow you get a different answer, since you were responsible and chose a method of birth control with a low error rate and supposedly high reliability. Good luck!