I didn't think I had grown at all....lol i guess this is why we take pics 
20 weeks

16 weeks
1 chemical and 1 loss at 9 weeks prior to DS
IVF #1 1/10-transfered 2 blasts- DS born 10/2010
Trying for # 2 since 2012. 2 failed FETS 1 failed IUI.
IUI#2 4/14/14-- BFP !!!!! Beta #1 14dpiui= 45 Beta #2 16dpiui= 80 Beta #3 18dpiui= 88 (chemical pregnancy)
March 2015- Chemical pg
1/25/16- BFP Beta1 12dpo = 17, Beta 2 14 dpo = 28.. resulted in one beautiful boy born 9/21/16

Now I'm a stay at home loving life and pursuing my love of photography!!!
Re: 20 week belly pic (comparison)
No doubt! Love the belly pics and u/s pics--too cute!
You look adorable!