I had this from about 30wks or so and I was HUGE! I had no other risk factors for anything and went on to have an uneventful pg til I gave birth vaginally, completely naturally at 41wks. Dr said that it was unlikely to happen again and that it was a 'borderline' case. Not to sure on the borderline of what though!! Baby was a healthy 4.2kgs and had no problems either. The only thing I could see was a problem was how humongous my belly was!