Andrea is 13 years old and has just experienced her first menstruation.What is this stage of adolescent development called

Question

Quizplus · Accepted Answer

Menarche is the onset of menstruation in females, typically occurring around the age of 12-13 years old. Adrenarche is the onset of adrenal gland function, which typically occurs earlier in adolescence. Pubescence and secondary puberty are not commonly used terms in the field of developmental psychology.

Andrea Is 13 Years Old and Has Just Experienced Her