NT Scan Gender Guesses!

So everyone that I know is screaming girl after today, but I want some opinions from you guys! I currently have 3 boys and this is my 4th baby, and everything is completely different from my boys! Really want to see what some of you have to say about these ultrasounds though, because I could just be seeing what I want to see! So what do you guys think? Boy or girl?
Both U/S is at 12 Weeks and 4 Days!
Attachment 39732
Attachment 39733

What gestation? The only pic with a nub is the top one but it's not really clear enough for me to guess.

Oops! Sorry! 12 weeks and 4 days! I'll edit the post to add that now! ^_^

I'll give a very slight girl lean but that nub is cutoff and not very clear so I'm not confident.