| Theme | Category | Sub- category | The number of codes |
| Physical, emotional, and social changes associated with puberty | Fundamental aspects of growth and development, and diversity | Individual differences in growth and development | 466 |
| Differences between boys and girls in growth and development | 163 | ||
| Emotions of friendship and infatuation, and interest in another person | 26 | ||
| Development of reproductive functions | Mechanisms of the reproductive system | 100 | |
| Changes in the reproductive system | 195 | ||
| The process and importance of life | Conception, pregnancy, and childbirth | Images of pregnancy | 344 |
| Images of conception and childbirth | 88 | ||
| The importance of relationships and life | Bond between parents and children | 54 | |
| Preciousness of life | 108 |