Answer:
She may experience the start of the menstrual cycle.
Explanation:
Menstruation - also known as periods - is when the inner lining of the uterus is shed. It usually starts around the onset of puberty, between the ages of 12 and 15. Menstruation ceases around age 45-55 after the menopause.
Interestingly, the average age of a girl's first period is generally later in the developing world, and earlier in the developed world.
Imaginative play and losing primary teeth occur much earlier in development.
