NUB , skull and potty shots at 12 weeks 1 day!! PLEASE HELP!

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HI everyone, This is my 1st post in this forum after reading many threads about gender predictions and some of you ladies are very knowledgable. These are my NT scan pics for today.
One picture I asked tech what the gender is and she said she was very unsure but it might develop to girl part. What do you guys think? I googled some boys potty shot also has three lines and why mine is protruding ???
I am very confused