Pregnant or not

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I have taken six pregnancy test now the first five have been faintly positive then I took a digital test and it was negative I am only 17 days since we would have conceived( my husband works out of town and we only had sex one time the only two days he was home in the last two months) is it still to early for it to show up on a digital? This pregnancy wasn't planned but I was so excited 😭😭