Yes, Korean girls experienced menstruation.
Based on the provided reference, Korean girls did indeed have periods. The reference specifies that the average age at menarche (the first occurrence of menstruation) for Korean girls was 12.6 years. It also mentions that many teenage girls experienced dysmenorrhea (painful menstruation) and premenstrual syndrome (PMS).
Here's a breakdown of key points:
- Menarche Age: The average age of menarche in Korean girls was 12.6 years.
- Common Issues: Dysmenorrhea and PMS were common experiences among teenage girls.
- Treatment Needs: The reference indicates a need for organized treatment plans to manage menstrual problems effectively.
Therefore, it's clear that menstruation was a natural part of the lives of Korean girls, with some experiencing related health issues.