Gender reveal coming up 😁

Persiliac

Hey I'm a 2nd time mommy it's been 10 1/2 years since my first born. I'd like to know when did you found out your bundle of joys gender? I have a genetic sono coming up 7/26 at that time I'll be 13 weeks and 1 day. Is that to soon? What's the earliest to find out the gender?