Anna Druet

Former Science and Education Manager

Anna Druet is a researcher and formerly Clue’s Science and Education lead.

Cycle A-Z

Endometriosis 101

Endometriosis is a leading cause of pelvic pain, and painful sex—up to 1 in 10 women of reproductive age may be affected.

Life Stages

When does menstruation begin?

Age at menarche varies across countries, races, and communities. Menarche usually begins between the ages of 9–15, about two years after the onset of puberty.