The onset of menarche occurs at
A) an average age of 10 years.
B) no sooner than 13 years old.
C) an average age of 12 years.
D) no later than 11 years old.

Question

Quizplus · Accepted Answer

The onset of menarche, or the first menstrual period, occurs at an average age of 12 years. This can vary widely, however, with some girls beginning as early as 8 years old and others not starting until they are 16 years old. It is important for girls and their families to discuss menstruation and reproductive health in advance of this milestone to ensure they are prepared and have access to necessary resources.

The Onset of Menarche Occurs at