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Why is my menstrual cup leaking?

You might already love your menstrual cup. It's comfortable, odourless and you know you can count on it whenever you're on your period. But then all of a sudden (or not), leakage occurs. Why is that happening?


1. Your cup didn't fully open or it didn't form a seal


It might take a few cycles to learn how to fold, insert and position your menstrual cup and if the cup is not fitted properly, you might experience leakage. 


Once you inserted the cup (while using one of the many folding methods that there are out there), make sure that the cup is fully open by moving your finger around the cup. You should feel that the menstrual cup is rounded and it has no dents. 

Once you've inserted the cup, pull it down slightly and gently by the stem to ensure that this seal has been created. We have created detailed guidelines to guide you through the process, you can check them out here.  

Give extra care and attention to the four ventilation holes next to the rim - they help to seal the cup on the vaginal walls, which will ensure that no blood will leak.

Another positioning problem is when the cup "travelled" too deep inside the vaginal canal, too close to the cervix. In the image, you can see how the menstrual cup is positioned under the cervix versus the position of a tampon.

2. Your cup is full and needs to be emptied 

The great thing about menstrual cups is that you can wear them for up to 12 consecutive hours, day and night.

Our regular menstrual cup sizes hold the capacity of about 4 regular tampons, so many feel supported throughout the day/night and don't require to empty their cup too often. 

If you are new to menstrual cups you might not be fully aware of the actual volume of your menstrual flow and it's a good idea to check your cup more frequently. 

Also, many of us tend to have higher flow at the beginning or middle of the cycle and you might need to empty your menstrual cup more often during those days. If you are a beginner, it's a good idea to use a pantyliner to catch any possible leakages. 


3. Residual menstrual fluid since the last time you've emptied the cup


Sometimes you may get the impression that your cup is leaking when actually it is just residual menstrual fluid in the vaginal opening. In this case, just wipe off the menstrual fluid with toilet paper or wash, and check if it happens again. 


4. You're not wearing the right size


Menstrual cups are available in different shapes and sizes, for the simple reason that women's bodies are all unique! Not wearing the right size, whether too small or too big, can determine your cup to leak. 

As a general guideline, the Size A Green Rays Cup is suitable for those who are under the age of 30 or those who have not given birth. Size B is for those who have given birth and those who are over the age of 30.

That doesn't mean that once you turned 30, your vagina suddenly transforms, so other things come into play as well. Many ladies find both sizes just as suitable. But then, some don't. 

Do take the time to go over the sizing guide so you can choose the most suitable cup for your body. If in doubt, just reach out - we'd love to help you along the way. We are committed to 100% satisfaction guaranteed so you have already purchased the wrong size, we will replace it with the proper size at no cost for you!