Menstrual Irregularities
Oligomenorrhea
Definition: Bleeding intervals longer than 35 days. Oligomenorrhea may be transient during the transition to a normal cycle.…
Polymenorrhea
Definition: Bleeding intervals shorter than 21 days. This anomaly is quite frequent in puberty and adolescence and is…
Menstrual Irregularities - Conclusion
Menstrual irregularities are common in puberty and adolescence during the development of ovarian function and until a regular…
Metrorrhagia
Metrorrhagia, characterized by bleeding episodes without a recognizable cycle, is a frequent form of irregular bleeding in adolescence.…
Diagnosis - General Aspects
A diagnostic work-up should be initiated if there are symptoms of pathology, i.e., if the menstrual disturbance is…
Hypermenorrhea
Definition: Severe until excessive bleeding within a quite regular cycle, blood loss >80 ml. Severe bleeding is clinically…
Menstrual Irregularities in Adolescence - Definitions, Treatment and Special Considerations
Menorrhagia
Menorrhagia is defined as prolonged bleeding (longer than 7 days) within a more or less…
Possible Causes of Disturbances
During the transition from menarche to a normal ovulatory cycle, a number of influences and noxae may cause…
Menstrual Irregularities
Evidence-Based Clinical Practice
The establishment of a regular menstrual cycle is an important process for an…
Development of the Menstrual Cycle
Sexual development in puberty begins with activation of the gonadotropinreleasing hormone (GnRH) pulse generator and the hypothalamic-pituitary system.…
Clinical Importance of Menstrual Irregularities
Abnormalities of the type of bleeding may be a serious problem for adolescent girls. Menorrhagia or metrorrhagia are…




