Needing help with the nub theory :/

[aross18801]

This is our scan pics we are 12+5 weeks and wondering if anyone can see what it is I'm havin as I've no clue what I'm looking for, partner won't let me find out.

Plz help

Excited mummy xx

 

[aross18801]

Sorry everyone forgot the pic lol x

 

[aross18801]

3rd time lucky