Anybody else have really faint lined BFP?

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So after ttc for 6months we are finally pregnant with our first! I got a very slight positive with about 5 tests but second line was faint but there. I also took a digital test which come back with a big pregnant result. I'm very nervous though since I've been reading all the stories about miscarriages. The faint lines have not gotten any darker in the last day and I'm also have slight cramping. Faint lines are ok right? I don't know what my actual levels are and won't until I see my doctor next week. Anybody else had very faint lines?