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has anyone heard of the hook effect..... it when the urine is so concentrated. can it be a possibility that because I may be dehydrated my test lines only come out faint I would be 4 weeks 4 days today no sign of af but there faint and stay faint maybe get tiny bit darker test everyday about 3 times a day and I'm stressing so much I need advice....šŸ’”šŸ’”šŸ˜¢