Uterus measures 3 weeks ahead

Justine
I went to the doctor today and he measured my uterus. I'm 16 weeks and he said im measuring at 19 weeks. He said it's because I have a large fibroid (9cm) so it's like there's twins in there. It sucks because I already look so pregnant but made me feel better because know I have a concrete reason why I already look so pregnant lol. 
This is my 16 week belly that measures at 19 weeks.