Girls who are very thin or who are involved in physically demanding sports can experience a delay of up to two years in menarche beyond the average age.

Question

Quizplus · Accepted Answer

This is true. Girls who are underweight or participate in intensive physical activity may experience a delay in menarche due to a lower percentage of body fat, which plays a role in the onset of menstruation.

Girls Who Are Very Thin or Who Are Involved in Physically