odd tradition

Robyn • 1 Boy: 3/21/16; 1 Girl: 🌈11/09/17; New Baby 12/2018
It's so weird to me that people post sonogram gender pics. Should I show a vag X-ray to prove I'm a girl? lol I'll take your word. Poor babies are minding their business in the womb and their developing genitals are all on apps and social media. 
*Nothing against if you do. It's just funny*