Using a menstrual cup for the first time feels awkward, but once you get the technique down, most people find it easier than tampons. The key differences: a cup sits lower in the vaginal canal, inserts at a horizontal angle rather than straight up, and relies on a suction seal to stay leak-free for up to 12 hours. Here’s everything you need to know, from first use to troubleshooting.
Sterilize Before Your First Use
Before you insert a new cup, wash your hands and the cup with a mild, unscented soap. Then bring a pot of water to a rolling boil and let the cup sit in it for no more than 10 minutes. This kills bacteria without damaging the medical-grade silicone. You’ll want to repeat this boiling step at the end of each period before you store the cup for the month.
Choosing the Right Size
DivaCup comes in three sizes. Model 0 is designed for first-time cup users, Model 1 works for medium to heavy flow days, and Model 2 is sized for people over 35 or those with wider vaginal canals. If you’re between sizes, starting smaller is usually more comfortable while you learn insertion and removal. You can always size up later if you find you need more capacity.
How to Fold and Insert
Start by washing your hands. The most common fold for beginners is the C-fold (or U-fold): press the sides of the cup together, then fold it in half so the rim forms a tight C shape. Some people prefer the punch-down fold, where you push one side of the rim down into the cup with a finger, creating a narrower insertion point.
Find a comfortable position. Sitting on the toilet, squatting, or standing with one foot on the edge of the tub all work. Relax your pelvic muscles the same way you would for a tampon. Hold the folded cup with the rim facing up and guide it in at a horizontal angle, aiming toward your tailbone rather than straight up. This is the most important difference from tampon insertion. If you’re angling upward or twisting your wrist during insertion, the cup is going in the wrong direction.
Don’t push it in far. The stem of the cup should sit right at the vaginal opening, between the labia. The tip of the stem shouldn’t go further than about half an inch inside. Inserting it too high is one of the most common mistakes, and it causes both leaks and difficult removal.
Creating a Leak-Proof Seal
Once the cup is in, it needs to open fully and form a suction seal against the vaginal walls. Grip the base of the cup (not the stem) and rotate it one full 360-degree turn. If it spins easily, the cup is open and seated properly.
If it doesn’t spin or feels like it’s still partially folded, slide a finger along the outside of the cup and press gently against the vaginal wall. This gives the cup room to pop open. You can also try gently pushing on the base of the cup itself to encourage it to unfold. You should feel the cup become round and firm when it’s fully open.
The cup has four small holes around the rim that help maintain the seal. If you’re experiencing leaks after confirming the cup is open, check that these holes aren’t clogged. You can test them by filling the cup with water, covering the opening with your palm, flipping it over, and squeezing. Water should flow through all four holes.
How Long You Can Wear It
A menstrual cup can be worn for up to 12 hours before emptying, which is significantly longer than the four-to-eight-hour window for tampons. On heavier days, you may need to empty it more often. Most people develop a sense of their own timing after one or two cycles. The cup won’t overflow suddenly; if it starts to reach capacity, you’ll typically notice minor spotting as an early signal.
How to Remove It Safely
Removal is where most beginners get nervous, but the key is breaking the suction seal before you pull. Never yank the cup out by the stem alone.
Wash your hands, get into a comfortable position, and bear down slightly with your pelvic muscles to bring the cup lower. Insert your thumb and index finger until you can feel the base of the cup. Pinch the base firmly for a few seconds to release the seal. You should hear or feel a small release of air. Then gently rock the cup side to side as you slide it out, keeping it upright so the contents don’t spill.
If you’re struggling to reach the base, place one finger alongside the cup and gently press it against the vaginal wall. Then hook your finger over the rim and slide the cup down. Don’t panic if it feels stuck. The cup cannot travel past your cervix. Relaxing your muscles and bearing down will bring it within reach.
Cleaning During Your Period
Each time you empty the cup, rinse it with cold water first (hot water can set stains), then wash it with warm water and a mild, unscented, water-based soap. Avoid anything with oils, fragrances, or antibacterial agents, as these can degrade the silicone or cause irritation. Oil-based soaps leave a residue that breaks down the material over time.
Emptying in a Public Restroom
This is the part nobody talks about, but it’s completely manageable. Since the cup lasts up to 12 hours, many people time their routine to empty it at home. When that’s not possible, here are practical options that work in a single-occupancy stall with no sink access:
- Water bottle method: Bring a small water bottle into the stall. Empty the cup into the toilet, rinse it with water from the bottle, and reinsert.
- Wet paper towel method: Before entering the stall, dampen a few paper towels at the sink. Use them to wipe out the cup after emptying.
- Wipe and reinsert: Simply empty the cup, wipe the outside with toilet paper or a dedicated cup wipe, and put it back in. The cup doesn’t need to be perfectly clean for reinsertion. You’ll give it a proper wash at your next opportunity.
Whichever method you use, wash your hands before and after. Bringing a spare pair of non-latex gloves is another option if you prefer to keep your hands clean in a less-than-ideal restroom.
Troubleshooting Common Leaks
If your cup leaks, the problem is almost always one of three things. First, check your angle. The cup should point horizontally toward your tailbone, not upward toward your cervix. Second, make sure the cup has fully opened. Run a finger around the outside of the cup after insertion. If you feel a dent or fold, it hasn’t popped open completely, and there’s a gap where fluid can escape. Third, check the height. If you’ve pushed the cup up high like a tampon, it’s sitting in the wrong spot. Pull it down so the stem rests just inside the vaginal opening.
Leaking during the first few cycles is normal while you’re learning. Many people wear a thin liner as backup until they’re confident in their technique.
Safety and Infection Risk
Menstrual cups are considered safer than tampons when it comes to toxic shock syndrome (TSS). TSS associated with cup use is extremely rare. The overall incidence of menstrual and non-menstrual TSS combined is estimated at 0.8 to 3.4 per 100,000 people, and cups account for a very small fraction of those cases. The main safety rules are straightforward: wash your hands before handling the cup, don’t exceed 12 hours of wear, and sterilize by boiling between cycles.