What is the definition of oligomenorrhea?

Oligomenorrhea refers to irregular or infrequent menstrual periods, typically characterized by a menstrual cycle that occurs more than 35 days apart but less than six months. It signifies a disruption in the normal menstrual rhythm and can be associated with various underlying conditions, including hormonal imbalances, overweight or obesity, excessive exercise, stress, and polycystic ovary syndrome (PCOS).

This definition aligns with the chosen answer, highlighting that oligomenorrhea indicates not just the absence of menstruation for a protracted period but rather a pattern of cycles that occurs less frequently than expected. Understanding this concept is crucial in evaluating and managing patients who present with menstrual irregularities, helping clinicians pinpoint potential diagnoses and treatment options.

The other definitions provided do not accurately capture the essence of oligomenorrhea; heavy menstrual bleeding refers to menorrhagia, lack of menstrual periods for several months describes amenorrhea, and severe menstrual cramps pertain to dysmenorrhea.