Ooh, confusing lah kan! But honestly, kalau drugstore ones (yang usually more reliable) both showing negative, I'd lean towards trusting those more, Shopee UPTs boleh jadi dodgy sometimes, especially the cheaper ones or yang expired pun boleh. Best thing is go see your doctor and ask for a blood test (hCG), tu yang paling accurate, tak payah main guessing game dengan sticks lagi. A few of my mum friends pernah kena salah reading gak with online UPTs, so don't stress, just confirm dengan medical professional je and they'll settle it once and for all!