SO UPSET!!

ohlan • 2misscarriages👼🏼👼🏼, my 🌈👶🏽 son and my daughter.
My ultrasound to find out my babies gender was today then they just called me saying they have to reschedule cause there is only one doctor that can do it and she is no longer available today. I need to know ladies ASAP is there any place I can go to just find out the gender I have a revealing party tonight that can't b postponed....please help