Sayang, I know you're worried, tapi ini really kena check dengan doctor pastu saja kita boleh tau apa tengah jadi. 8 weeks should show something, but dating bisa off atau ada hal lain, only scan + proper checkup boleh confirm, tak boleh guess-guess. Go see your doctor asap or call the clinic and tell them what you saw (or didn't see) on the scan, okay? They will know the next steps. Sending you a hug, this waiting period is the most anxious!