Suck in for baby pictures??

I am 14+2 and have been taking weekly belly pictures starting at 11 weeks. I've been sucking in my belly because if i relax my belly i can look like i'm 5 months pregnant!! My belly is fully round when I don't suck in, but if I do suck in you can just see a smaller bump by my abdomen.

Do you suck in your belly for photos?