I went for my first ultrasound scan last week Wednesday the woman doing it said I should have an empty bladder, I had to have another scan yesterday this time I had an empty bladder but the scan itself hurt. Should you or should you not have an empty bladder? As I've always assumed you should not when having one even for baby. Any advice would be appreciated as I have another scan in June for my 20weeks and would greatly appreciate knowing before getting into trouble again thanks in advance x