LGBTQ ALLIES- Sex/Gender reveal

Ki
Okay so we're TTC for #2, and it has always been a dream of mine to do a "sex reveal party" (doubled as a baby shower). I didn't get to enjoy my 1st pregnancy much because I was so young and made to feel ashamed. This time I'm going to go all out!
As an ally of the LGBTQ community, I acknowledge that gender and sex are two different constructs. I would like ideas on having a "sex reveal" party. The name itself is already hilarious to play with on invitiations.
I saw one for "xx or xy" on Pinterest, but I didn't pin it and had no luck finding it since.  I'd love game ideas or reveal ideas?! 
[While you're entitled to your opinions I'm looking for specific answers. Please no comments that are anti-LGBTQ.]

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