14th week: skull or nub theorie boy or girl?

Hi, I had my NT scan last week. First pic you can see the skull. 2nd pic: Is there a nub behind the legs? Any suggestions please?

Attachment 14222

I dont see any gender clues.

No clues.

No clues, sorry.

So you think it could be both when you look at the skull? I thinkt the first pic looks more like a girl, 2nd more boy. I don´t know.