I am 26 weeks pregnant and I am 5'5. In usually get a medium in my underwear from victorias secret, target, and dkny. I got a medium and these fit perfect. They are more comfortable of a fit because they are really low in the front and is below the belly which is more comfortable. I was afraid the back would be too high or big, but it was not. The material is not as soft as I expected but overall I really like them.