Skull or nub theory, 13w 2d. Guesses?

[RaikoFire]

Luckily I got some very clear ultrasounds! I'm thinking girl, any other guesses?!

4492
Nub (hand is on head here, so ignore skull!)

4493
Skull

[lucy_x]

Nub is defiantly :DD:, but i thought the skull looked boyish....However, nub is more important haha!

[nuthinbutpink]

Looks girly.