OK...I tested this morning. Not sure if you can see it in the picture but:
I didn't really think I would see a line, (it's much more clear IRL, and both of my kids see it. ETA: It showed up in less than a minute too.) so I freaked (and still am). I took a digi too. Wanna see it?
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yeah.... me too.

I'm gonna wait a few days before I use another digi. I can't believe it did that. I've never had one error before.
I'm a bit freaked out.....had another bit of bleeding this afternoon. Pinkish/reddish....a little too red for comfort, but not bright red. I'm trying to stay optimistic, but not ready to run off and join the ddc yet. We'll see what tomorrow brings.