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20 November 2011 @ 12:09 am
NOTE: see v2.0 of this post. (25.04.2017)
It's a common question so I thought I'd write a post about it.

The highest capacity cups are the large Fleurcup, Yuuki and the XL Meluna. They all hold about 30 ml (to the holes) and different sources have different info on which one holds most. Nowadays there are a few more high capacity cups.

If your flow is extremely heavy (changing disposables every 1-2 hours), I recommend you to try out one of these ones. It seems like many of those with a heavy flow end up trying more than one before finding the one that they can wear longest. Please note: if you have a fairly heavy flow but not "gushing", there's a variety of other cups that might also fit you very well and still hold enough.

The info on stiffness is as per this chart. See also: the pros and cons of soft/stiff cups (in the comments over there), a poll on stiffness and leaks, advice on making soft cups pop open, a guide to understanding the cervix.

XL Meluna
Dimensions: 47x56, total length up to 71 mm
Stiffness: three options
Advantages/disadvantages: as with any cup, most features are advantages for some and disadvantages for others. It's one of the longest cups and it comes with a variety of stems - all of which are pretty short, 15 mm or less. You *probably* shouldn't get this one if you can reach your cervix fairly easily.
(see photos here)

Dimensions: 40x50, total length 68 mm
Stiffness: pretty soft (1.7). The company claims that due to the softness it is less durable than other cups and should be replaced every year
Advantages/disadvantages: It's a unique cup with an anti-spill design. It's certainly worth a try if you are struggling to find a cup that would match your heavy flow. It is soft and has a ring stem, larger than the one Meluna offers. You *probably* shouldn't get this one if you can reach your cervix fairly easily, especially if you haven't tried a cup yet.
(see photos here)

Large Yuuki
Dimensions: 46x56, total length 74 mm
Stiffness: stiff (rated as 8.5). Used to be very soft and you can probably still find an old one but obviously it'll be more and more difficult as time passes.
Advantages/disadvantages: It's also one of the longest cups. It has a tube stem which is longer than the stem of the XL Meluna. Again, it might not be the best choice if you have a low cervix. Get this one if you want a long, stiff cup.
(see photos here)

Large Fleurcup
Dimensions: 46x52, total length 70 mm
Stiffness: soft (rated as 2). Used to be stiffer, you might still be able to find an older one.
Advantages/disadvantages: If you can reach your cervix easily or fairly easily, this is the best choice. Note that your cup doesn't have to be shorter than the distance to your cervix - if you have a very heavy flow and a low cervix, better try this one instead of getting one of the highest capacity small sizes (narrow cups might sit lower too). Of course you can also get it if you have a high cervix - especially if you think the stem will be convenient for you.
A possible disadvantage is that if your cervix sits in the cup, the capacity might be reduced less with a longer cup - if you can accomodate one.
(see photos here)

NOTE: if your cup starts leaking when it's half-full, the best options are a large Fleurcup, an XL Meluna or a Femmycycle cup.

If you can't reach your cervix, choose the stiffness and see the photos to decide which stem you like most (and consider the unique Femmycycle cup). If you can reach your cervix fairly easily, get a large Fleurcup. (again, this is for the folks with an extremely heavy flow! if yours is "just" heavy, consider other options too)

Also please note that I haven't used any of these cups myself. If you have any questions about a specific cup, ask them in the community itself.

This post will be updated if changes are made to one of these cups or if another high capacity cup appears on the market. DONE

Please note: if you want to suggest a cup, find out whether it holds around 30 ml to the holes and/or post links to any specific entries/comments from folks with an extremely heavy flow.
Procrastinator Extraordinairenightmer on November 19th, 2011 08:46 pm (UTC)
Thanks for the very useful post! I'll head back here and compare if my Diva doesn't work out.
Serpentserpent_849 on November 19th, 2011 09:45 pm (UTC)
you're welcome!
some other cups to consider if you need a high capacity are the large sizes of lunette, miacup, naturcup, green donna :)
crittercandy on November 19th, 2011 08:57 pm (UTC)
Thank-you! Very helpful :)
Serpentserpent_849 on November 19th, 2011 09:46 pm (UTC)
i'm glad it was helpful :) it was indeed your comment that "inspired" me to post this but i had this in mind for a little while (since the sizecharts were gone ;_;)
Alohaquick_step on November 20th, 2011 12:32 am (UTC)
I've found the large Yuuki doesn't leak as much, but I did receive it midway through my last cycle. As the upcoming cycle will be my first time using it during the heavy flow during my first two days, I'm interested to see if it will leak less than my large Divacup. I'm hoping the stiffness over the Divacup will prove to be an asset.
Serpentserpent_849 on November 20th, 2011 06:41 pm (UTC)
hopefully it will:)
that said, do your cup leak or overflow? also, especially those with a very heavy flow might find it hard to combat residual slobber, even very experienced users. you may find that the best solution for you is to combine cups and cloth pads.
(no subject) - quick_step on November 21st, 2011 02:01 am (UTC) (Expand)
Lgonzalez1120lgonzalez1120 on November 20th, 2011 03:51 am (UTC)

Wonderful post. I have a very heavy flow and find that my Fleurcup meets all my needs. I absolutely love my Fleurcup. I have a Lunette as well, for nighttime, and it is wonderful as well.

Serpentserpent_849 on November 20th, 2011 07:21 am (UTC)
That's interesting, is the stiffness more important for you than the 20% extra capacity? :)
stothyra on November 22nd, 2011 08:53 pm (UTC)
Now that I'm on the pill, I've found the large Fleur to be good for heavy days. Well, all days. I am in love with it. Still wasn't a very good cup before hand because I was so heavy, but I was bad enough that any cup wouldn't be enough on my heavier days. I've had days where my residual slobber would soak through backup heavy pads.

I knew the Yuuki would have been too long, and I wasn't sure about the Meluna. Also, my cervix rides low. The small Diva is too long for me, so the Fleur's shortness is great, and its roundness at the bottom makes a huge difference for me in capacity.

I still get the residual slobber, but I invested in some cloth pads, and so far so good.

There was the occasional day where cups weren't even worth it on my gushing days. I was filling up my Fleur enough to break the seal every hour. So if you are like me, don't be too surprised if you get a bad gush day and your cup doesn't work for you at all.
wiesoauchimmer on November 22nd, 2011 09:03 pm (UTC)
i've been using the large fleur for a year now. i do have very heavy periods and, since childbirth 2 years ago, a medium low cervix (i have used cups before i got pregnant - so, yeah, it was definitely higher up back then!). i can use the fleur with the stem intact, so the base of my cervix might be high enough to fit any cup, but it in itself is kinda long (about the length of the first digit of my index finger).

my fleur fits all around my cervix, which, in combination with my super heavy flow, is bad news. whenever i empty it because it overflows when i get it out it's only about two thirds full.
on the weaker days i don't care, but on the two heaviest days that means: having to empty it every two hours, and having to RUN to the toilet whenever i sneeze. and during the night in between those two days the longest duration i can get out of my cup is four hours.

now, i'm wondering if there is a cup out there that might give me a higher capacity - one that is longer and slimmer on top? which one would that be? i also own the large meluna (the old one - bought it when it came out, more than two years ago), and the large lady cup, but they hold less than the fleur for me.
Serpentserpent_849 on November 22nd, 2011 10:45 pm (UTC)
as i said, many of those with a heavy flow end up trying out more than one of these before finding what works for them. i'd say an XL meluna should be the better choice - its bottom will be lower than that of the fleurcup, and the shape is the same so a lot of the capacity is in the bottom... sounds like it could work:)

http://imm.io/bWTf epically bad picture and the difference is smaller but hopefully you'll get what i mean:)
(no subject) - wiesoauchimmer on November 24th, 2011 05:51 am (UTC) (Expand)
(no subject) - serpent_849 on November 24th, 2011 06:05 am (UTC) (Expand)
(no subject) - wiesoauchimmer on November 24th, 2011 07:45 pm (UTC) (Expand)
(no subject) - serpent_849 on November 24th, 2011 08:49 pm (UTC) (Expand)
(no subject) - wiesoauchimmer on November 25th, 2011 08:33 am (UTC) (Expand)
(no subject) - serpent_849 on November 25th, 2011 09:56 am (UTC) (Expand)
(no subject) - serpent_849 on November 24th, 2011 10:25 am (UTC) (Expand)
(no subject) - wiesoauchimmer on November 24th, 2011 07:46 pm (UTC) (Expand)
..::bella vita::..por_que_no on July 9th, 2013 03:59 pm (UTC)
If this thread is still being updated, you might add the FemmyCycle...I haven't measured precisely but everyone seems to say it holds about 30 ml when not turned upside down. My flow isn't heavy enough that capacity is a critical thing for me, but those who do need great capacity might be interested!
Serpent: neutralserpent_849 on July 9th, 2013 04:59 pm (UTC)
many thanks for telling!
have you seen any posts comparing it to other high capacity cups, or to any cups in terms of stiffness? i'll edit my post for sure but i'm not sure what to include for the femmycycle cup.
(no subject) - por_que_no on July 9th, 2013 07:05 pm (UTC) (Expand)
(no subject) - serpent_849 on July 9th, 2013 07:19 pm (UTC) (Expand)
(no subject) - por_que_no on July 10th, 2013 11:51 am (UTC) (Expand)
(no subject) - serpent_849 on July 10th, 2013 12:00 pm (UTC) (Expand)
(no subject) - por_que_no on July 10th, 2013 04:12 pm (UTC) (Expand)
(no subject) - serpent_849 on July 10th, 2013 04:29 pm (UTC) (Expand)
(no subject) - por_que_no on July 10th, 2013 05:01 pm (UTC) (Expand)
(no subject) - serpent_849 on July 10th, 2013 05:34 pm (UTC) (Expand)
Luceafaraluceafara on February 20th, 2014 02:14 pm (UTC)
If you are still updating this post, could you add the Ruby-cup as well? Capacity is 34 ml, and it's short (without the stem).

Thank you :)
Serpent: suomiserpent_849 on February 20th, 2014 03:36 pm (UTC)
definitely still updating the post! but is it really the capacity to the holes? plenty of cups hold around 30ml to brim and 27ml or less to the holes. while i'm very happy there's one more nordic brand, this post is solely for the really high capacity cups. or are there any posts from folks with an extremely heavy flow recommending it?
(no subject) - luceafara on February 20th, 2014 08:16 pm (UTC) (Expand)
neverparous on February 26th, 2014 01:14 am (UTC)
It looks like Luv Ur Body is a contender for this thread. Their website states that the capacities are 31 ml for the medium and 34.5 ml for the large. I haven't seen capacities for just up to the holes but they are set pretty close to the top so I think at least the large cup should hold 30+ ml.


femininewear gives much larger capacities so I'm wondering how that happened
femininewearfemininewear on March 1st, 2014 06:26 pm (UTC)
I measured the Luv Ur Body capacity myself
Medium 38.5ml (holes) 42.75ml (rim)
Large 38.75ml (holes) 43ml (rim)
(no subject) - neverparous on March 2nd, 2014 12:41 am (UTC) (Expand)