I'm impatient that my ob has told me she think it's a girl when she did a ultrasound but also says…

I'm impatient that my ob has told me she think it's a girl when she did a ultrasound but also says she not sure and hasnt scheduled me a ultrasound to find out yet and I'm 19 weeks as of today makes me impatient so I'll just find out on my own . . . SO i scheduled my first 3D Ultrasound for Friday !! I'm excited but then again I'm a little sad . . My husband is underway and he want be able to get to experience it with me .