Anyone else with tiny bumps but normal size babies??

Suzanne • One ☀️ baby👧🏻2/14/17, one Angel 👼🏼Oct 2018, one🌈👶🏻 11/21/19 All conceived via IUI
I took this for a friend on Saturday afternoon at 37+1! Everyone says I'm tiny for 37weeks. Doc told m last Thursday at 36+6 she looked to be about 6.5lbs and if she puts on .5lb each week she could be 7.5-8lbs at birth. Sometimes it's hard to believe there is a full term baby in there!