Will there be a big difference? Help!!

Heather • 💙Otto Wayne 9/7/18 💙💚Owen David 5/22/20💚

I have an apt for gender reveal on Thursday- I’ll be 16wks 4days. Butttttt they have an opening for tomorrow!

If I choose to go tomorrow at 16wks 2days would there be a huge difference? Should I just wait the 2 days or go for it?