intermenstrual bleeding

Last edited 03/2018 and last reviewed 09/2018

Intermenstrual bleeding (IMB) is defined as bleeding from the vagina at any time in the menstrual cycle other than normal menstruation.

  • between 13% and 21% of naturally menstruating women are thought to affected,
  • the prevalence may vary significantly with age
  • is more frequently seen in perimenopausal women (1)  

Treatment is dependent upon cause