Click here to see the meaning of the Number 20/2 In Tarot The Soul Urge Number is who you really are. The Number 2 represents Union - the Father-Mother Principle, and so cooperation and association.
Puberty is started by hormones, which are chemicals that tell parts of the body to do things. Today, on average, girls start puberty at age 10 or 11, and boys at age 11 or 12. However, people all over the world start puberty at different ages.
On average, girls begin puberty around ages 10â11 and end puberty around 15â17; boys begin around ages 11â12 and end around 16â17. The major landmark of puberty for females is menarche, the onset of menstruation, which occurs on average between ages 12â13; for males, it is the first ejaculation, which occurs on average at age 13.