I couldnt tell from those pics either as its just the wrong angle.. a leg could be in the way of where one would think bits would be.
My 19 week scan they said 90% girl but i didnt see nothing at the time. They guy showed me but it could have been anything as it was looking front on rather than bum up. So i had a second scan which confirmed definately a girl, saw it with my own eyes. We didnt see 3 lines with either scan, it was more just "girl bits"... like um.. the flaps. Completely different to DS's scan.

Yeh im no expert but i wouldve thought if you could see the overies theyd be dark round circles on the scan.. similar to the kidneys?