Alah, I understand why you're worried lah, polyhydramnios memang dapat buat orang anxious even when baby looks healthy on scan. A few of my mum friends went through similar situations where the amniotic fluid was more than normal but baby weight and scans were fine, and honestly it varies, some delivered on time without issues, one had to be induced early as precaution. The good news is your doc already ruled out the obvious culprits on scan, so that's reassuring, but definitely ask your doc to monitor closely at each visit and watch out for any sudden tightness or breathing changes on your end. Have you asked doc what the plan is moving forward, like whether you need more frequent scans or a specific delivery timeline? Sometimes the body just does its own thing and we don't get all the answers, but staying close with your doctor is really the best insurance here, mama. Fingers crossed everything goes smoothly for you!