I ordered this for someone who typically wears an extra small, and I ordered a large because she doesn't like the maternity clothes that hug you tightly, and I'm glad I did! The fit of the dress is very much like how the pictures present the product on the ad page, so if you are looking for something that will hug tightly, this is your product. The reason I purchased this is because it is a nice, longer maternity dress/sweater, easy for a woman to wear leggings beneath it if she is expecting. ThSee full review