I think the answer is false.
For adult females, it is suggested that a 2000 calorie diet along with an active lifestyle of an 60 minutes of a form of more vigorous exercise than walking, which might include jogging or fast walking. For adult males, it is suggested that an approximate 2,700 calorie diet along with an active lifestyle.
“Most girls get their first period when they're between 10 and 15 years old. The average age is 12, but every girl's body has its own schedule. Although there's no one right age for a girl to get her period, there are some clues that it will start soon.”
That is from kidshealth.org
