Size is related to age and childbearing history as these can affect pelvic floor tone. Size is not related to menstrual flow.
Recommended for those who are 30 and over, and all who have given birth vaginally regardless of age.
Recommended for those under the age of 30 who have not given birth vaginally.
Size A measures 46mm in diameter and 50mm in length. Size B measures 43 mm in diameter and 50mm in length. Both sizes have a stem 21mm long, which you can trim to the length that is right for you.