It can be hard to judge what sort of flow you are going to have at any given time, so having a selection of tampon sizes and absorbency ratings until you get the hang of you flow are useful.
Low tampon absorbency ratings have been associated with less risk of toxic shock syndrome, but TSS isn’t your main concern; ruining another pair of underwear is.
- Mini up to 6mls less than a teaspoon
- Light 6mls about a teaspoon
- Regular 6-9mls up to 2 teaspoons
- Super 9-12mls just over 2 teaspoons
- Super Plus 12-15mls up to 3 teaspoons
- Ultra 15-18mls just under 4 teaspoons
- Greater than 18mls are available, but the FDA does not rate these