Dizziness dan nausea at 38 weeks bisa jadi normal je sebab baby sudah besar dan pressure kat organs, tapi sebab ni dekat delivery time, bagus call your gynae atau go to hospital je untuk check, a few of my mum friends experienced yang sama but better aman-aman check if anything changes. Make sure you're drinking enough water and eating regularly, sometimes low blood sugar juga boleh trigger pening. If ada any bleeding, contractions yang regular, or shortness of breath, go to hospital immediately lah!