Menstrual Cups

A menstrual cup is a reusable container, usually made of silicone, that sits in the vagina and collects your period instead of absorbing it, as an alternative to tampons and pads. When choosing, size matters most: it depends on your flow, on whether you have had a vaginal birth and on how high your cervix sits.

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What is a menstrual cup?

It is a small, flexible cup that you fold to insert into the vagina. Once inside it opens, adapts to your body and collects the flow without absorbing it, so it does not dry out the mucous membrane and can be worn for hours. Afterwards you empty it, wash it with water and mild soap and put it back in. A cup lasts up to 10 years, which makes it cheaper and more sustainable than tampons and pads. In this category all the cups are for your period: there are cups from Fun Factory (the Fun Cup, in sizes A and B, sold singly or in a kit with both), from Satisfyer (kits with a 15 ml cup and a 20 ml cup), from Intimichic and from Stercup, and from Femme République there is a menstrual disc in two sizes, S at 30 ml and L at 50 ml. Period underwear is in intimate hygiene. There are no cups for pelvic floor exercise; for that you want Kegel balls.

Types of menstrual cups

Almost all of them are bell-shaped with a small stem for removing the cup; what changes is the size and the profile.

  • Cups by size: each brand uses its own system, with letters (A and B, S) or with the capacity in millilitres (15 and 20 ml).
  • Kits with two sizes: they include a small and a large cup, useful if you do not yet know which suits you best or if your flow changes from one day to the next.
  • Menstrual discs: flatter and with a lower profile than a cup.

How to choose

  • Size and capacity: follow the brand's own size guide, because its sizes do not match those of another brand, and check on the product page how many millilitres it holds.
  • Length and shape: compare the length given on the product page with the height of your cervix; the disc is the lower-profile option.
  • Kit or single cup: a kit with two sizes lets you try without buying again.
  • Material: every product page that states it says silicone; check yours and see how the manufacturer says it should be cleaned.

Menstrual cups: frequently asked questions

How do I choose my first menstrual cup?

Look at three things: 1) your flow (light, size S; heavy, size L), 2) birth (after a vaginal birth a wider or softer cup tends to work better) and 3) your cervix (low, short cup; high, long cup). Most brands have a size guide with an online test, and if it is your first cup, start with size S or M.

Can I have sex with a menstrual cup in?

With a regular cup it is not recommended during penetration: it is uncomfortable and it can lose its seal. Menstrual discs, with a lower profile, are designed for sex during your period, and sponge tampons are the more comfortable alternative for sex during menstruation. Neither the cup nor the disc is a contraceptive or protects against sexually transmitted infections; for that there are condoms.

How long can I wear a menstrual cup?

Several hours, depending on your flow and the capacity of the cup. Empty it before it fills up and do not go beyond the maximum number of hours stated on the product page for that model.