Menstrual discs are proven to be the best period product for a heavy flow...
This just in: a new study has found that the most absorbent period product isn't tampons, period pants or pads, but rather a menstrual disc – which tbh was something we'd never really heard of! Turns out, it's not the same as a menstrual cup either.
Scientists from the Oregon Health and Science University in Portland, US, tested various period products with blood (not water) to get the most accurate results, and discovered that menstrual discs, on average, held the greatest amount of blood, at 61ml – compared to tampons, pads and cups which averaged at 20-50ml. Period pants, on the other hand, didn't perform so well, and held just 2ml on average (check out the results published in BMJ Sexual & Reproductive Health for more).
With that in mind, we were keen to learn more about menstrual discs, which sound ideal if you have a heavy flow, or are wanting to be a bit more eco-conscious when it comes to your time of the month. To learn more, we chatted to Dr Adiele Hoffman, who is a Medical Advisor at Flo Health (everyone's fave cycle-tracking app), to compare menstrual discs with menstrual cups, and more.
What is a menstrual disc?
According to Dr Hoffman, a menstrual disc is a "small disc-shaped device that sits at the top of the vagina to collect blood during your period. Like a menstrual cup, it is an alternative menstrual product to tampons, pads or period underwear". She adds that they can be made from silicone, rubber or plastic
Menstrual disc vs menstrual cup
Whilst there are some similarities between a menstrual disc and a menstrual cup, the key ones are:
Menstrual discs tend to be able to hold more blood than cups, making them better for a heavy flow
Menstrual discs can (generally) be worn up to 12 hours, compared with cups that are usually advised for just 8 hours
Menstrual discs sit below the cervix, above the vaginal canal, whereas cups sit in the middle of the vaginal canal
Menstrual discs can be worn during sex
Menstrual cups tend to be lighter in weight, but of course this can vary brand to brand
"The key difference is that a disc is wider and shallower than a cup, with more flexibility, and they also sit higher up in the vagina than a cup," says Dr Hoffman. "These things mean some people report finding them more comfortable. They also do not suction in the same way as a cup, so can be slightly easier to remove as there is no need to release the seal." Although, she caveats, this can also make the spills more likely when removing a menstrual disc than when removing a cup.
As for the topic of heavy flows, Dr Hoffman is also excited about the new study suggesting period discs are best equipped to deal with a heavy blood flow, but also has some words of caution for consideration. "A study published in the BMJ sexual and reproductive health looked at people with heavy periods and found that of all menstrual products, menstrual discs had the biggest capacity (up to 80ml). So if you struggle to contain your flow with other products, a disc could be a good choice for you.
"But, it’s important to bear in mind though that losing more than 80ml of blood (or 16 teaspoons or a full menstrual disc) is considered a heavy period and is worth seeing your doctor about."
How do you insert a menstrual disc?
Menstrual discs sit high up at the top of the vaginal canal and extend just behind your cervix, explains Dr Hoffman. "They are designed to cover the cervix, where they collect any blood that comes out."
To insert them follow the manufacturer's instructions, she advises, adding that most will say to:
Wash your hands
Squeeze the rim in the middle of the disc and insert into the vaginal canal
Continue to push the disc towards the end and back of the canal. You should feel it positioned under the cervix.
Push upwards on the front of the rim to secure it over your cervix and behind your pubic bone.
Are menstrual discs eco-friendly?
That depends on what material the brand you opt for uses, it's personal eco credentials and whether or not the disc(s) are reusable. "They can be single or multi-use," says Dr Hoffman. "Reusable discs should be washed according to instructions between uses."
Are menstrual discs easier to use than a cup?
It's definitely a personal thing, but some people do report that a disc is easier to insert than a cup thanks to it being more flexible. Others have added that they're comfier once inserted, too.
Can you have sex whilst wearing a menstrual disc?
Sure sounds like it! "Many manufacturers of menstrual discs do say it is safe to use them whilst having sex," says Dr Hoffman. "But be aware that they do not act as contraception and whilst they may reduce mess during period sex, leaks could happen if they are dislodged.
Best menstrual discs to shop
Come with a string (that can be cut off, if you prefer) to aid with removal, the Pixie Period Disc is available in two different sizes. Reviewers praise it for being comfortable, well made and for holding its own during sex.
Although not reusable, Flex promise that these plant-derived discs are good for your period and the planet. They also pledge that they're the same width as a tampon when folded up upon insertion, making them good for those who are nervous.
This article is not intended to be a substitute for professional medical advice or diagnosis. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
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