Puberty

Items hinge on sequence and the first sign: in girls the earliest change is thelarche (breast budding), in boys it is testicular enlargement (volume >4 mL or length >2.5 cm). The classic trap is choosing menarche as the first female event — it is actually late, arriving roughly 2–2.5 years after breast budding and after the peak-height-velocity growth spurt (typically around Tanner stage IV). Expect questions tied to Tanner (Sexual Maturity Rating) stages 1–5 and to the adolescent growth spurt occurring earlier in girls than boys. When a stem stresses confidentiality, prioritize answers that let you interview the teen alone and protect privacy for reproductive and mental-health concerns.

Do not confuse puberty with development: development is the broad, lifelong physical-cognitive-psychosocial sequence (Erikson), whereas puberty is the specific endocrine-driven maturation of adolescence. Wellness and education are interventions you layer on top — readiness-based behavior change and tailored teaching — not the maturational process itself. A frequent miss is labeling normal pubertal breast asymmetry or physiologic gynecomastia in boys as pathology; it is usually transient and self-limited, resolving within 1–3 years.