Is this normal? I am a 15 year old girl. The left side of my labia is very big and stretchy and the right side is small and isn't very big at all. What could this be from?
It's the way you were born. Everyone is a little different, and even in the same person, two sides of the body are often different from one another. Breasts are classically very different from right to left. So too with labia. If it is bothersome to you, you can have a small procedure called a labiaplasty. This removes a small amount of tissue from one or both labia. Find a plastic surgeon with experience in this area.