A woman has three external openings in the pelvic area: the urethral opening (where urine exits), the vaginal opening, and the anus. These three openings are separate from one another, each with its own distinct function, and they are arranged front to back between the legs.
Where Each Opening Is Located
The three openings sit in a line from front to back. The urethral opening is the smallest and sits closest to the front of the body, about 2.5 centimeters below the clitoris. It appears as a small slit and can be difficult to see without a mirror. Its only job is to release urine from the bladder.
Just behind the urethral opening is the vaginal opening, which is noticeably larger. This is the passage for menstrual blood, sexual intercourse, and childbirth. Despite how often the words are used interchangeably, the vaginal opening is just one part of the vulva, which is the name for the entire external genital area including the labia, clitoris, and urethral opening.
The anus is the third opening, located farther back and separated from the vaginal opening by a small bridge of skin called the perineum. It is the exit point of the digestive tract.
Why People Think There Are Only Two
One of the most common misconceptions about female anatomy is that urine exits through the vagina. Because the urethral opening is so small and sits so close to the vaginal opening, many people never notice it as a separate structure. The two openings are both located within the folds of the vulva, which makes them easy to confuse at a glance. But they connect to completely different internal systems: the urethra leads to the bladder, while the vagina leads to the uterus.
The Hymen and the Vaginal Opening
The vaginal opening is partially covered by the hymen, a thin ring or crescent of tissue that varies widely from person to person. The most common shapes are annular, which surrounds the opening like a donut, and crescentic, which covers just the bottom edge. Most newborns have an annular hymen, but by childhood it typically shifts to a crescentic shape. The size, thickness, and appearance of the hymen change over time due to normal activity, hormonal changes, and aging.
In rare cases, the hymen covers the entire vaginal opening except for a very tiny hole, a variation called a microperforate hymen. This can make it difficult to insert or remove a tampon. Another variation, called a septate hymen, has an extra band of tissue across the middle that makes it look like two openings instead of one. Both of these can be corrected with a minor procedure if they cause problems.
Tiny Gland Openings You Can’t See
Beyond the three main openings, the vulvar area contains several microscopic duct openings from glands that produce moisture. The Skene’s glands sit on either side of the urethral opening and have tiny ducts that secrete fluid, but they are nearly impossible to see with the naked eye. Bartholin’s glands, located near the vaginal opening, also have small ducts that release lubricating fluid. These are not counted as separate “holes” in any practical sense because they are too small to see or feel under normal circumstances.
The Cervix: An Internal Opening
Inside the body, the vagina leads to the cervix, which is the narrow lower portion of the uterus. The cervix has a small opening called the os that allows menstrual blood to flow out and sperm to travel in. It is about an inch long and stays mostly closed, acting as a gatekeeper between the vagina and the uterus.
During a menstrual period, the cervix opens slightly. During pregnancy, it seals itself with a mucus plug to protect the fetus. And during labor, it dilates to allow the baby to pass through. Some people experience sensitivity or pleasure when the cervix is touched during sex, though this varies. The cervix is not something you would see or feel externally, but it is an important internal passage that connects two body cavities.
Quick Visual Summary
- Urethral opening: small slit below the clitoris, releases urine
- Vaginal opening: larger opening behind the urethra, passage for menstruation, intercourse, and childbirth
- Anus: rearmost opening, end of the digestive tract
All three are distinct, with separate internal pathways and functions. If you have never located all three on your own body, a handheld mirror makes the urethral opening much easier to identify.