Skip to main content


Irregular Periods in Girls (Amenorrhea)

Key points about amenorrhea

  • Amenorrhea is when a girl’s menstrual bleeding (period) doesn’t occur.
  • Primary amenorrhea is when the first menstrual bleeding at puberty doesn’t occur by age 15. Secondary amenorrhea is when normal menstrual bleeding stops occurring for 3 months or more.
  • Amenorrhea has many causes, including hormone problems, eating habits and exercise, or a birth defect.
  • Your child may need blood tests and a pelvic ultrasound.
  • Treatment may be done with hormones or other medicines, changes in diet or exercise, and calcium supplements.
  • A girl with amenorrhea may have thinning bones (osteoporosis) over time, and loss of fertility.


Our team is standing by to schedule your child’s appointment.

Frequently Asked Questions

What is amenorrhea?

What causes amenorrhea in girls?

Who is at risk for amenorrhea in girls?

What are the symptoms of amenorrhea in girls?

How is amenorrhea diagnosed in girls?

How is amenorrhea treated in girls?

What are possible complications of amenorrhea in girls?

What can I do to prevent amenorrhea in girls?

When should I call my teen’s healthcare provider?

Meet the Team Who Treat Irregular Periods in Girls (Amenorrhea)

    Departments that Treat Irregular Periods in Girls (Amenorrhea)

    Teen patient talking to provider

    Pediatric Gynecology Program

    When your child needs specialized gynecologic care, Children's National Hospital has the experience and expertise to provide the most appropriate care for younger patients.

    A young girl smiles in the waiting room of the Division Endocrinology and Diabetes.

    Endocrinology and Diabetes

    The Children's National Division of Endocrinology and Diabetes is a nationally recognized leader in the industry and has an experienced multidisciplinary team comprising endocrinologists, nutritionists, social workers, psychologists, and other specialists.