Sayang, this is a bit tricky lah, different test results bisa happen kalau timing awal sangat or urine kurang pekat. But since doktor check dan cakap kencing kotor, maybe perlu repeat test dalam few days lagi bila urine lebih concentrated (pagi-pagi best), or go back to klinik untuk blood test yang lebih accurate. Pening and mual tu memang boleh jadi banyak reasons, so jangan guess, see your doctor again to rule out other things, okay? Take care!