How far would you guess?!

Ondrea • Hello all!! I have 2 daughters from previous relationships. Had a miscarriage last year. Due June 26th hubby's 1st!
I went to the doctor last Tuesday and he places me at 10 weeks (now 10+4) does my belly fit a plum size little ones? I have a hunch I'm more like 8+5 or so.  We will know this Tuesday when a better ultrasound is done!