Just curious...

Rell • Proud mom of a 4 year old girl with a bun in the oven! Due May 31st with my honeymoon baby. Married hubby 9/5/15 ❤️❤️❤️
So today I'm 24weeks and I have yet to gain a pound. The baby is growing fine according to the doctor and she says I shouldn't worry. I'm wondering does lack of weight gain equate to me having a small baby? Has anyone been in my shoes? How big was your baby?