Squirting happens when fluid is expelled from the urethra during sexual arousal or orgasm, and it occurs because of a combination of anatomy, nerve sensitivity, and how the body responds to specific types of stimulation. It’s far more common than most people assume. Surveys consistently find that roughly 40% to 58% of women report having experienced it at least once.
The reason some women squirt and others don’t comes down to individual variation in glandular tissue, pelvic muscle activity, and how sensitive certain nerve-rich areas are to stimulation. Understanding what’s actually happening in the body clears up a lot of confusion.
Two Different Fluids, Two Different Sources
One of the biggest sources of confusion is that “squirting” and “female ejaculation” are often used interchangeably, but researchers now treat them as separate events that can happen independently or at the same time.
Female ejaculation is the release of about 1 milliliter of thick, milky white fluid from the Skene’s glands, two small ducts that sit on either side of the urethral opening. This fluid contains high levels of prostate-specific antigen (PSA), fructose, and glucose, giving it a chemical profile surprisingly similar to male seminal fluid. The Skene’s glands are sometimes called the “female prostate” for exactly this reason. During arousal, the tissue surrounding these glands swells, and during orgasm, they can secrete this mucus-like substance.
Squirting is something different. It involves a much larger volume of clear fluid, anywhere from tens to hundreds of milliliters, released from the urethra in a gush. Biochemical analysis shows this fluid contains urea, creatinine, and uric acid, which are compounds filtered by the kidneys and stored in the bladder. Ultrasound studies have confirmed that the bladder fills rapidly during arousal and empties noticeably during squirting, with one study documenting a decrease of roughly 100 milliliters in bladder volume. The fluid’s chemical makeup resembles highly diluted urine, though it also contains PSA from the Skene’s glands, suggesting both sources contribute at once.
Why the Bladder Fills During Arousal
The kidneys don’t pause during sex. As arousal builds, the bladder continues collecting fluid, and the intense engorgement of pelvic tissue during sexual stimulation may actually accelerate this process. Researchers have observed through pelvic ultrasound that women who squirt show noticeable bladder filling between the start of stimulation and the moment of orgasm, even when the bladder was emptied right before.
The fluid that accumulates is not the same as a full bladder of concentrated urine. Analysis shows it has much lower density and lower concentrations of waste products compared to normal urine. One detailed case study found creatinine levels around 21 mg/dL and urea around 417 mg/dL in squirting fluid, values consistent with heavily diluted bladder contents rather than typical stored urine. The presence of PSA in this fluid confirms that secretions from the Skene’s glands mix in as the fluid passes through the urethra.
The Role of Anatomy and Nerve Sensitivity
Whether someone squirts likely depends on individual anatomy, muscle control, and nerve sensitivity. The Skene’s glands vary significantly in size from person to person. Some women have more developed glandular tissue, which may produce more fluid and create more pressure during arousal. Others have smaller glands that produce little noticeable secretion.
Squirting is most commonly linked to G-spot stimulation, though it can also occur with clitoral stimulation or a combination of both. The G-spot is an area on the front vaginal wall, roughly behind the pubic bone, where nerve endings, urethral sponge tissue, and the Skene’s glands are all in close proximity. Stimulating this area can create the sensation of pressure that many women describe before squirting occurs. Some women experience squirting without orgasm, reinforcing that it’s a reflex-like response to stimulation rather than a guaranteed byproduct of climax.
Pelvic floor muscles also play a role. The contractions that happen during orgasm or intense arousal can create enough pressure on the bladder and surrounding structures to expel fluid through the urethra. Women with stronger pelvic floor awareness may be more likely to notice or facilitate this release, though relaxation of the pelvic floor at the right moment seems equally important. Many women who squirt describe needing to “let go” or stop tensing rather than actively pushing.
How Common Squirting Actually Is
Squirting is often described as rare, but the data tells a different story. A large Swedish cross-sectional study found that 58% of women surveyed had experienced ejaculation or squirting, with an additional 6% unsure whether it had happened. A separate U.S. study found a prevalence of 41%, and similar numbers have shown up in research from Canada and Egypt.
The Swedish study also found that women with non-heterosexual orientations reported higher rates (63%) compared to heterosexual women (52%). This may reflect differences in the types of stimulation involved in sexual activity, greater comfort with exploration, or both. Regardless of orientation, the numbers suggest squirting is a normal physiological response that a significant portion of women experience at some point.
Why Some Women Never Experience It
Given that the anatomy involved varies from person to person, it makes sense that not everyone squirts. Smaller Skene’s glands produce less fluid. Differences in nerve density around the urethral area affect how responsive someone is to the kinds of stimulation that trigger the reflex. Pelvic floor tone and the ability to relax those muscles during arousal also matter.
There’s a psychological component too. The sensation that precedes squirting often feels similar to the urge to urinate, which leads many women to tense up and suppress it. Since the fluid passes through the urethra, the same channel urine exits, the body’s signals can be genuinely confusing. Women who are unaware that squirting is a normal response may instinctively hold back, preventing it from happening. This is one reason why understanding the physiology can make a practical difference.
None of this means squirting is a benchmark of sexual satisfaction. Women who don’t squirt aren’t missing a signal of better arousal or more intense orgasms. It’s simply one possible physical response among many, shaped by the same kind of anatomical variation that makes every body slightly different.