The Primary Care Pediatric Nurse Practitioner Is Examining a 15-Year-Old

The primary care pediatric nurse practitioner is examining a 15-year-old female who reports having her first period at age 13. She states that she has had five periods in the last year, with the last one 2 months prior. She participates in basketball at school. Which action is correct?

A) Perform biometric screening to determine lean body mass.
B) Prescribe oral contraceptives pills to regulate her periods.
C) Reassure her that this is perfectly normal at her age.
D) Refer her to an endocrinologist for hormonal evaluation.