It's completely normal to wonder about your body, especially during your teenage years when your body is growing and changing a lot.

At 14 years old, your body is still developing, and the size of your vaginal opening can vary a lot from person to person. Typically, the vaginal opening is naturally small before a girl becomes sexually active or gives birth, but it's important to remember that everyone's body is different.

There isn’t one exact “normal” size in centimeters for the vaginal opening, especially at 14, because it varies a lot from person to person and changes with body development. In general, for someone your age who hasn’t given birth, the opening is usually small and may not be easy to measure from the outside. It also isn’t something that can be accurately described with one average measurement for everyone.

The vaginal opening is usually narrow and stretchy, and it can change size slightly when you’re aroused, during menstruation, or after childbirth later in life. At your age, a small vaginal opening is normal and nothing to worry about.

If you’re asking because you’re worried about pain, trouble inserting a tampon, or something looks or feels unusual, it’s best to talk with a parent, guardian, school nurse, or doctor. They can tell you what’s normal for your body.

If you ever experience pain, discomfort, or unusual symptoms like itching, burning, or unusual discharge, it’s a good idea to talk to a trusted adult or healthcare provider. They can examine you if needed and answer any questions to make sure everything is healthy.

Remember, your body is unique and develops at its own pace. Always be kind to yourself and don’t hesitate to ask questions when you’re unsure!