I am SO nervous and scared right now! I may be overreacting but a few months ago, I had an ultrasound and Dr said baby had cyst on brain which eventually resolved. Next, baby head measuring big. Yesterday was ultrasound follow up and 30wk check up, Dr said everything looked fine. After reviewing ultrasounds, Dr calls today says she wants level II ultrasound just to be on safe side. I can't help but worry, don't know what to expect??