@entity1866 are common in puberty and adolescence during the development of ovarian function and until a regular ovulatory cycle is established. @entity74 should be investigated promptly to avoid or alleviate possible long-term sequelae, including impaired fertility. Most irregularities are transient and self-limited, but some are severe or prolonged and require exploration and treatment. Symptoms such as prolonged @entity2589 andoligoamenorrhea may herald an incipient or preexisting @entity2744 . An exact diagnosis by estimation of the hormonal parameters can identify a relevant disturbance. The prognosis for later fertility in @entity1 with oligoamenorrhea depends on the etiology and degree of the condition. With a hypothalamic origin the prognosis is good when the offending stimuli are removed. @entity1 with @entity4611 or @entity4089 can be treated effectively. @entity2915 , especially the @entity3610 , are common. Future fertility is reduced but may be improved by preventive measures and therapy in adolescence. Inpatients with primary @entity11157 and persisting @entity2588 , the prognosis for fertility is poor.

[ XXXX , @entity1866 and future fertility].

@entity1 :: ('9606', 'Species') :: ['Patients', 'patients'] @entity4089 :: ('MESH:D006966', 'Disease') :: ['hyperprolactinemia'] @entity3610 :: ('MESH:D011085', 'Disease') :: ['polycystic ovarian syndrome'] @entity11157 :: ('MESH:D016649', 'Disease') :: ['ovarian insufficiency'] @entity4611 :: ('MESH:D010900', 'Disease') :: ['pituitary lesions'] @entity1866 :: ('MESH:D008599', 'Disease') :: ['Menstrual irregularities'] @entity2744 :: ('MESH:C567425', 'Disease') :: ['endocrinopathy'] @entity2589 :: ('MESH:D009839', 'Disease') :: ['oligomenorrhea'] @entity74 :: ('MESH:D030342', 'Disease') :: ['Hormonal disorders'] @entity2915 :: ('MESH:D006948', 'Disease') :: ['Hyper-androgenemic oligoamenorrhea'] @entity2588 :: ('MESH:D000568', 'Disease') :: ['hyper-gonadotropic amenorrhea']
@entity74 :: (MESH:D030342,Disease) :: ['Hormonal disorders']
