Gender reveal at the end of 15 weeks?

Nichole • Married 9-10-11 ❤️ Mommied 1-26-05 & 8-9-15
I had to reschedule my 3d/4d ultrasound for this weekend when I will be ending my 15th week & I was wondering if any of you ladies have been that early & got a FOR SURE gender.