Swimming during menstruation is entirely safe. While water pressure can temporarily slow menstrual flow, this effect is not reliable enough for protection. Relying on water pressure alone is not advisable, as movement, coughing, or sneezing can easily cause leakage. Fortunately, several effective and discreet products exist that allow you to swim confidently, containing your flow inside your body or within specialized garments.
Internal Protection Options
Internal products are the most widely used and effective solutions for swimming because they contain the flow before it can exit the body. Tampons, typically made from absorbent cotton or rayon fibers, are inserted into the vaginal canal to soak up menstrual fluid. When swimming, insert a fresh tampon immediately before entering the water and change it promptly upon exiting to maintain optimal hygiene.
Tampons remain effective at absorbing menstrual blood even if they absorb some surrounding water. For maximum discretion, tuck the tampon string securely into the swimsuit bottom. Use the lowest absorbency necessary for your flow, and never wear tampons for more than eight hours to minimize the risk of toxic shock syndrome.
Menstrual cups and discs offer an alternative internal solution, made from medical-grade silicone or rubber that collects blood rather than absorbing it. Cups and discs create a seal against the vaginal walls, preventing menstrual fluid from leaking out and water from getting in. This sealing mechanism means they do not become saturated or heavy in the water, unlike tampons.
These collection devices can be worn for up to 12 hours, making them highly convenient for extended periods in the pool or at the beach. To ensure a leak-free experience while swimming, confirm the cup is fully open and has created a proper seal upon insertion. Emptying the cup immediately before swimming with a heavy flow is a good practice to increase the wear time and peace of mind.
Specialized Period Swimwear
Specialized period swimwear represents a newer, external option that integrates absorbent technology directly into the garment’s gusset. This technology typically involves a multi-layered system, beginning with a moisture-wicking top layer against the skin. Below this, a highly absorbent middle layer traps and locks in the menstrual fluid, while a waterproof or leak-proof outer layer prevents the fluid from escaping into the water.
This swimwear is designed to look and feel like regular bathing suits, offering a discreet solution for managing flow. Manufacturers often rate the absorbency to hold the equivalent of one to three tampons worth of fluid, making it ideal for very light flow days or spotting. On its own, period swimwear is best suited for light or moderate flow and for shorter periods in the water.
For heavier flow days, or for long sessions of swimming, this swimwear functions excellently as a secure backup layer. It can be worn over an internal product like a tampon or menstrual cup to provide an extra level of protection against unexpected leaks. As with any specialty garment, proper care is necessary; the swimwear should be rinsed immediately after use until the water runs clear before being washed.
Hygiene and Logistics
Successful swimming during your period relies on careful timing and practical logistics. Internal products must be inserted or changed immediately before entering the water to maximize effectiveness. Similarly, the product should be changed or removed as soon as possible after exiting the water.
For those using reusable products like menstrual cups or period swimwear, planning for discreet cleaning or rinsing in a public changing area is helpful. Carrying a small bottle of water can facilitate rinsing a cup in a stall without a sink, and a dedicated wet bag can store used period swimwear or used cups until they can be thoroughly cleaned at home.
Traditional pads and panty liners are unsuitable for swimming and should be avoided entirely. These products absorb any moisture they encounter, instantly soaking up pool or ocean water, quickly becoming saturated, heavy, ineffective, and visible. Choosing darker colored or patterned swimwear can provide a final, subtle layer of confidence against any unlikely, minor leaks.