'''Yetkinlik''' — 3520/18 yaşdan 65 yaşa qədər olan yaş dövrü.<ref>Həyat bilgisi. 4</ref><ref name="pamf.org">"For girls, puberty begins around 10 or 11 years of age and ends around age 16. Boys enter puberty later than girls-usually around 12 years of age-and it lasts until around age 16 or 17." {{Cite news|title=Teenage Growth & Development: 11 to 14 Years|publisher=pamf.org|url=http://www.pamf.org/teen/parents/health/growth-11-14.html}}</ref>
