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Some cups are created with no stem or just with a ball (NaturCup, MeLuna, MonthlyCup). In those cases, users don't usually customize their cup.

But usually, cups have quite a long stem, flat or hollow-style, thin or thick. The longest stem was the MoonCup's (or Keeper, Tiulpan, US Moon Cup, Alicia). Few users keep the stem in that stem, indeed a long stem can be uncomfortable in a sitting position or can pinch or be irritating for the vagina. It is thus necessary, once the use is used to her cup, to trim the stem little by little, until it is fully comfortable AND still reachable for the removal. You must also be careful not to damage the base.

As for other cups, with average-long stems (FleurCup, Lunette, LadyCup, CupLee, Si-bell, Be'Cup, MamiCup, Natu), the decision to trim it or not to trim it depends on the user's feeling. Some women never need to touch the stem because they don't feel it (some brands have added a very soft stem - for example CupLee and LadyCup).

Other brands adopted quite a different system (NaturalMamma, some kinds of MeLuna with the ring stem, LilyCup with the untrimable stem, MenoCup Active…). In that case, it requires more time to get used to the cup and to decide if the stem has to be trimmed. 

When a trimming must be done, be careful the remaining bit isn't sharp: it can be useful to rub the remaining silicon of the stem so that it remains soft.



Some cups are created with tiny holes (DivaCup, Yuuki, Naturcup), which can be a problem (fewer suction effect, spilling, frequent leaking…). It is possible, with very much care, to enlarge the holes. This method is quite of new in the menstrual cup world.

Here is how you should do:

  • Use a very thin sewing needle
  • Sterilize the needle (putting it along with the cup, for example)
  • When it's time for enlarging the holes, warm the needle up with a match or any fire source
  • rub the pointy bit of the needle in the holes of the cup, in order to make them larger. Rub it carefully in order to obtain regular round holes.
  • Once the wished diameter is obtained (it must not be more than 1 or 2 millimeters), use a cold needle (or wait until the hot needle has gone cold again) and rub the new holes again to remove any tiny bit of burnt silicon.

If the holes still seem too small, just repeat the operation.




This option is very uncommon.

To make your cup whiter (or more transparent) if it went yellowish, it is possible to leave it for a whole night in a bowl full of cold water and oxygenated water. Abundantly rinse afterwards. This procedure isn't 100% efficient but can make a stained cup a little brighter. This can only be used on transparent cups and it not an obligation! Yellowish cups are not dirty at all and can be used for many years.

As for coloring a transparent menstrual cup, to cover the yellowish shade, there's a thread on the French forum:

This procedure has never been tested by the EasyCup team, therefore we just quote it here. But any feedback over this matter is more than welcome.