22 week ultrasound?

Bárbara • I`m 29, and I have a beautiful baby girl born on May 30th, 2017 ^^ I also have a dog named Oliver and I love him lots!
I'll be 22 weeks tomorrow and I will go for an elective ultrasound to know the gender, will it be possible to see? I went at 16 weeks and the Dr. said she couldn't tell, I'm just so anxious to know but at the same time I'm worried that it won't show u.u I want to start buying stuff ^^