12 week ultrasound, boy or girl?

Any guesses? I can't really figure out the skull theory and not sure if a nub is visible in this pic.
http://uploads.tapatalk-cdn.com/2016...8ec5dc7071.jpg


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Can't see a nub, more pics?

Here's another one

http://uploads.tapatalk-cdn.com/2016...ca648c2c96.jpg


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Maybe boy

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Looks Promising for BLUE! What's the exact gestation?

Congrats on your pregnancy xx

What's making you think boy? I'm exactly 12 weeks


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boy!

to me, this is not a good pic for guessing. I would not say either way based on these.

boy lean