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Hi all,

I have tried a variety of cups (Mooncup S, MeLuna sport XL, Lena cup S & L, LUB M), but all leak during my period! I am sure I can get a seal, although they do move up in my vagina.

This weekend, while not on my period, I did a small test. I basically took a bath and put the cups in while I was lying in the bath. This way quite some water would be captured by the cups, and I could test whether they were leaking when not on my period. I was amazed to see that all cups (except for the Meluna, which I had sold) performed a great seal. I decided to wear the Lena small for a couple of hours. It sat very low in my vagina, but did not move up at all during those hrs! Also, I experienced no leaks at all! When I removed the cup, it was filled with water to about 2/3rds.

My question is: why do my cups leak, and why do they move up? During my heavy days all cups leak within 5 minutes, and leak badly. It might be my cervix is filling the cup during my period, but I have tried huge cups (I am slim and the MeLuna XL was really too big for me). Or do the cups move past my cervix? My cervix is usually located to the side of my vaginal wall, could this be the issue? And if so, how can I make the cups work?

I was really amazed that none of my cups leaked when I tried them with water this way. I wonder if anyone else has tried the same, and if you have any ideas on how I can stop my cups from leaking during my period.

..::bella vita::..por_que_no on April 27th, 2016 05:32 pm (UTC)
Cups should not sit "low" in the vagina with a lot of space between the cup and your cervix. They should naturally move up to sit right up against or around the cervix. That could've been the issue with your Lena--if it wasn't angled right it could have tried to move "up" and gone off to the side instead, missing your cervix and not creating a seal.
marar105 on April 27th, 2016 05:34 pm (UTC)
But they do sit low in my vagina when I do this water test, and they form the best seal ever! They really don't move up and my cervix is way up because I'm just after ovulation right now...

I tried everything to angle the cups up right during my period, but unfortunately nothing has worked so far.
..::bella vita::..por_que_no on April 28th, 2016 01:09 pm (UTC)
Odd--from what I've seen on this site most users literally *can't* stop the cup from migrating up. Perhaps your pubic bone is angled in an unusual way or you have some other sort of "obstruction" holding the cup down low? A cup will normally sit like this: https://en.wikipedia.org/wiki/Menstrual_cup#/media/File:Menstrual_cup_pos3.png

Most cup companies' directions are actually misleading in saying that the cup should sit low. A lot of users don't even have extra length between the cup base and the cervix because their cervix is only an inch or two up.
marar105 on April 28th, 2016 01:16 pm (UTC)
I also can't stop the cups from moving up either -- during my period. They always move up, and they move up a lot.

I did this test with water and not during my period, and that will probably be why it didn't move up. However, the most important thing is that it all cups formed a great seal and I experiened no leakage at all when I use the cups when I'm not on my period. I wonder what could be it that they all leak when I'm on my period.

Edited at 2016-04-28 01:16 pm (UTC)
..::bella vita::..por_que_no on April 28th, 2016 10:18 pm (UTC)
When you're on your period everything is "looser" so that the flow can come out, so you might have extra space in your vagina that allows the cups to shift. Since you mentioned that your cervix is off to one side you may just have to manually locate your cervix every time and then make sure your cups open up towards that side. Mine is always off to the left and if I don't insert my cups that way I'll sometimes leak.