nub theory? 13 weeks 3 days any guesses?

[mummykimmy]

just for a bit of fun any guesses on the sex ladies? heard of something called the nub theory but cant seem to see a nub on this pic lol x

 

[amandapanda]

Congratulations but sorry can't tell - like you I can't see anything! x

 

[midnight]

nope i cant see any nub either