I wonder about mine too, i shoudln't really, i was 24 weeks when they told me she was a girl, she pointed out the girly bits and the lines and in her 4d pics she "looks" like a girl.
I also had another scan at 25 weeks where the consultant confirmed she was a girl, her words were "oh yes definately a girl" but i still wonder
I was CONVINCED she was a boy, totally, down to nearly buying blue before we found out the sex.
I carry really low
And some evil women started going on about them getting the sex wrong a few weeks ago so i started doubting.
However, she has a girl heart beat (really fast)
She moves none stop all day (boys are meant to be more lazy)
I'm carrying all of her on my front and havn't gained any weight on my arms, legs or bum.
But i'm still scared she's gonna be a boy, expecially as i've not redecorated my room and choose pink with the cream cos shes a girl, if she'd been a boy i'd have gone for a blue/green colour, loads of clothes people have bought are pink, and lots of my little things like changing mat, changing bag, blankets are pink. She better be a little girly!!!