Could this be a new pregnancy immediately after d&c?

Okay, so I had a miscarriage at 12 weeks about a month ago. I had a D&C and I was testing out my HCG by taking multiple pregnancy tests. Last week I did

take a pregnancy test and it was negative, and so it's been 1week since I took that. Today I took a test, I took two tests, and they're very faint positives. Is it possible that I may have misread the last one? Are there these, is this less over HCG, or could it be a new pregnancy? I got two tests that read faint line from the same urine. The urine was from tonight and also it was only an hour and a half hold. The first test is a week ago. Is it completely negative or could the first test from a week ago be diluted urine so it tested negative. Could the two new tests be a fluke?

The top test is from almost 2 weeks ago at 10 minutes. The bottom is from tonight at 10 minutes

Tonight's test at 10 minutes

Tonights tests with urine of 30 minute hold

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