Hello dear,I understand your concern. In my opinion the increased liquor might be due to number of reasons like fetal anamolies,placental anamolies,diabetes in mother etc. All the above causes should be ruled out by ultrasound,blood tests to rule out diabetes in mother. Iam happy that ultrasound is normal and the fetal and placental anamolies are ruled out. And the diabetes should be ruled out by glucose tolerance test (GTT). The common complication of polyhydromnios include increased distress for mother, preterm labour etc. Nothing to worry.Avoid stress If all the above said reasons are ruled out then the polyhydromnios spontaneously gets normal by term. So relax. Hope this helps. Best regards...Dr.Srilatha