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Disorders of ovulation exist on a spectrum that ranges from occasional failure to ovulate to chronic anovulation. Note: Typically, but not always these disorders manifest abnormalities in menstrual parameters, such as frequency, regularity, duration and volume of bleeding, and, in the case of chronic anovulation with amenorrhea. It is apparent that the luteinized unruptured follicle (LUF) and luteal out of phase (LOOP) disorders exist on a similar spectrum of varying frequency.
