Missed periods in young teenagers can be concerning but are often not a cause for immediate alarm. Here’s what you need to know: 1. Normal Variation:  It’s common for menstrual cycles to be irregular in the first few years after menarche (first period).  Cycles can range from 21 to 45 days in young teens. 2. Possible Causes:  Stress  Rapid weight changes  Excessive exercise  Hormonal imbalances  Nutritional deficiencies 3. When to Consult a Doctor:  If periods haven’t started by age 15  If there’s no period for 3 months after regular cycles were established  If there are other symptoms like excessive hair growth or weight gain 4. Potential Underlying Conditions:  Polycystic Ovary Syndrome (PCOS)  Thyroid disorders  Eating disorders 5. What to Expect at the Doctor:  Physical examination  Discussion of medical history  Possibly blood tests or imaging studies 6. Treatment:  Depends on the underlying cause  May include lifestyle changes, nutritional support, or hormonal treatments Remember, open communication with your teen about menstrual health is crucial. Encourage a balanced diet, regular exercise, and stress management techniques.