Women have three openings in the genital and pelvic area: the urethral opening, the vaginal opening, and the anus. These three sit close together between the legs, which is one reason they’re often confused or miscounted. Many people assume there are only two, not realizing the urethral opening exists as a separate hole from the vagina.
Where Each Opening Is Located
All three openings are found in a small area called the perineum, running from front to back. The urethral opening sits closest to the front, just below the clitoris. The vaginal opening is directly behind it. The anus is farther back, separated from the vaginal opening by a short bridge of skin. Each one connects to a completely different internal system and serves a distinct purpose.
Because the urethral opening and vaginal opening are both tucked within the folds of the vulva (the outer genital area), they can be difficult to distinguish visually. The urethral opening is quite small, often just a tiny slit or dot, which is why many people don’t notice it as a separate hole at all. This is the single most common point of confusion about female anatomy.
The Urethral Opening
The urethral opening is the exit point for urine. It sits at the end of the urethra, a short tube that runs from the bladder to the outside of the body. In women, this tube is much shorter than in men, which is one reason urinary tract infections are more common in women. The closeness of the urethral opening to both the vagina and the anus makes it easier for bacteria to reach the bladder.
This opening does one thing: it lets urine leave the body. It plays no role in reproduction or menstruation. Urine does not come out of the vagina.
The Vaginal Opening
The vaginal opening is the entrance to the vagina, a muscular canal about 6 to 8 centimeters long that connects to the cervix and uterus internally. It serves several major functions: menstrual blood exits the body through it, penetrative sex involves it, and babies pass through it during vaginal childbirth.
The walls of the vagina are elastic and can stretch significantly. During arousal, the vagina expands and produces lubrication. During childbirth, it stretches wide enough for a baby to pass through, which is why it’s sometimes called the birth canal. This flexibility comes from its muscular, accordion-like structure.
The vaginal opening is partially surrounded by a thin piece of tissue called the hymen. The hymen is not a solid barrier that seals the vagina shut. It’s a remnant of tissue left over from embryonic development, typically shaped like a crescent or ring around the edge of the opening. Some women have very little hymenal tissue at all, while others have more. The tissue is stretchy and flexible, and it does not necessarily tear during penetration.
The Anus
The anus is the third opening, located farthest back. It’s the exit point of the digestive system, where the anal canal opens to the outside of the body. Its primary role is to allow solid waste to leave the body. The anal canal also differentiates between solid, liquid, and gas, which is how your body knows the difference between needing to pass gas and needing a bowel movement.
Though part of the digestive system rather than the reproductive or urinary system, the anus sits close enough to the other two openings that hygiene matters. Wiping front to back helps prevent bacteria from the anal area from reaching the urethra or vagina.
Why People Think There Are Only Two
The most common misconception is that urine exits through the vagina, reducing the count to two openings. This likely persists because the urethral opening is very small and sits just above the vaginal opening, both hidden within the folds of the vulva. Without looking closely or learning the anatomy, it’s easy to assume everything “down there” comes from one or two places.
Sex education often glosses over this detail, and cultural discomfort with discussing genital anatomy means many people reach adulthood without a clear picture. Studies on anatomical knowledge consistently find that both men and women struggle to correctly identify the urethral opening as separate from the vagina.
Anatomical Variations
While three openings is the standard, some women are born with structural differences that affect one or more of these. The most well-known is an imperforate hymen, where the hymenal tissue completely covers the vaginal opening instead of having a natural gap. This occurs in roughly 1 in 1,000 female births and is typically discovered during puberty when menstrual blood has no way to exit. A minor procedure corrects it.
Other variations include a microperforate hymen, where only a very tiny opening exists, and a septate hymen, where a band of tissue divides the vaginal opening into two smaller openings. In rare cases, a condition called vaginal agenesis means the vagina doesn’t fully develop at all. These are uncommon but real variations that can affect how many visible openings are present and how they function.