Anyone see signs of girl?? Tech says GIRL but i'm not sure

Ok so i have 3 boys at home. This 4th baby was a surprised and i felt like it was a girl from the start but then at my nt scan at 13 weeks i got a nub picture that looked classic boy and got all boy guesses on ingender (wasn't a member here yet so did not post here). Anyway yesterday at 16 weeks i went for a private 3d scan just to confirm it was boy. The tech took a lot of time in the genital area and then said that it was GIRL! During the whole she showed me the genital area over and over and we saw no penis and no scrotum. She said she was 99% sure and that i could go out and start buying pink. I still can't believe it with a nub like that at 13 weeks. Plus yesterday i didn't get a potty shot. None of them were very clear and all i got was the one i'll attach which the tech says still shows girl. What do you think?Attachment 37144