You sound a lot like me- I have boys born in 04 and 06, and had a girl born Dec. 17th! (of 08) I had an u/s at 14w1d with her, ad when we got a look at the toilet shot, we saw nothing protruding, and 2 lines. Yours sounds a little ambiguous still, but hopeful, since you didn't see boy parts yet! Good luck!!