Table 1.

Topic areas and key content covered in participant focus groups with example questions

Topic area	Content	Example questions
Menstrual education received at school	Receipt of education, year received education, lesson content, who delivered lessons, what format were lessons, preference of learning style	Who delivered the lessons you’ve had? How did you find the information they shared?
Comfort of the topic	Learning at school, talking to teachers, talking to family/friends	Who do you talk to about your period? Why do you talk to that person and what stops you talking to others?
Support	Period products, teachers, information	Have you received any information about coping with your period/symptoms generally in school? What about for PE?
Personal experiences	Symptoms, manging periods/symptoms at school	How do you feel about being on your period whilst at school? Does it affect you at all e,g, days off, taking part in PE, academically?