Adolescent Menstrual Irregularity

14.05.2026 Prof. Dr. Cihan Kaya

Menstrual Irregularity in Adolescence – A Comprehensive Guide

What is Menstrual Irregularity in Adolescence?

Menstrual irregularity during adolescence refers to situations such as periods not arriving on time, being too frequent, or too infrequent. It is common in the early years because the hormonal system has not yet fully matured.

What is a Normal Menstrual Pattern?

Periods may be irregular for the first 1-2 years after puberty. Cycles typically between 21-35 days are considered normal.

Causes

Hormonal imbalances, lack of ovulation (anovulation), stress, sudden weight changes, and intense exercise are the most common causes.

Which Situations Are Normal?

Irregularities are considered normal for the first few years after the first period. Intermittent delays are particularly common.

When Should Attention Be Paid?

Evaluation is necessary if there is no period for longer than 3 months, excessive bleeding, very frequent periods, or severe pain.

Polycystic Ovary Syndrome (PCOS)

It is one of the important causes of menstrual irregularity in adolescence. Acne, increased hair growth, and weight problems may accompany it.

Thyroid and Other Diseases

Thyroid diseases and some hormonal disorders can affect the menstrual pattern.

Nutrition and Lifestyle

Malnutrition, extreme thinness, or obesity can disrupt the menstrual pattern. A balanced lifestyle is important.

How is a Diagnosis Made?

Evaluation is performed with a detailed history, physical examination, hormone tests, and ultrasound.

Treatment Approach

Treatment is planned according to the underlying cause. If necessary, hormonal therapy and lifestyle adjustments are made.

Conclusion

Menstrual irregularity in adolescence is often physiological, but in some cases, evaluation is important for the early diagnosis of underlying diseases.

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