I don't think there is a difference, but I could be wrong.

I dont think there is a difference

Sonogram (noun) -
1. An image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs


ultrasound (noun) -
1. Using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

So yeah, they're the same thing.

Yepperz, the same thing

<3
gaby