Puberty represents a particular period of life characterized by hormonal changes and physical and psychological modifications leading children from childhood to adolescence. During this period, menarche represents the most important event in females. Age of menarche is different among populations and has been recognized as an useful marker of socio-economic status, as well as dietary and enviro...

Until 27 April 2006, the Netherlands Pharmacovigilance Centre Lareb received 7 reports of amenorrhea associated with the use of olanzapine. The time to onset varies from a few weeks to 10 months. The outcome was reported in 3 cases. One patient recovered after drug withdrawal and two patients did not recover; in one patient there was a dose increase to 15 mg once daily. In case D, hyperprolacti...

Copyright © 2010 Massachusetts Medical Society. A 16-year-old girl presents for evaluation of secondary amenorrhea. Her menarche was at the age of 12 years. Since she started running for exercise and sport at the age of 14 years, her menstrual periods have become lighter and less frequent. Her last menstrual period was 6 months ago. She has lost 2.3 kg (5 lb) over the past 3 months and reports ...

BACKGROUND Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women associated with many reproductive, endocrine, metabolic and cardiovascular dysfunctions. This study aimed to determine the prevalence of PCOS among high school students in Rasht. MATERIALS AND METHODS In a cross-sectional study, 1850 students were selected by a multi-stage cluster sampling from all high...

1. To recognize hypergonadotropic hypogonadism as part of the differential diagnosis of delayed puberty 2. To recognize premature ovarian failure as a cause of hypergonadrotropic hypogonadism 3. To recognize chemotherapy and cancer treatment modalities as etiologies of gonadal failure 4. To understand that it is hard to predict which patients will resume normal ovarian function after chemothera...

BACKGROUND & OBJECTIVE Uterine fibroid embolization is an effective treatment alternative for uterine fibroids. However, amenorrhea after uterine fibroid embolization occurs in some patients. This study was to investigate the causes of amenorrhea after uterine fibroid embolization. METHODS Bilateral transcatheter uterine artery embolization was performed in 487 patients with uterine fibroids....

BACKGROUND Functional hypothalamic amenorrhea is a reversible form of gonadotropin-releasing hormone (GnRH) deficiency commonly triggered by stressors such as excessive exercise, nutritional deficits, or psychological distress. Women vary in their susceptibility to inhibition of the reproductive axis by such stressors, but it is unknown whether this variability reflects a genetic predisposition...

BACKGROUND Functional hypothalamic amenorrhea is common among female athletes and may be difficult to treat. Restoration of menses (ROM) is crucial to prevent deleterious effects to skeletal and reproductive health. OBJECTIVES To determine the natural history of menstrual disturbances in female college athletes managed with nonpharmacologic therapies including increased dietary intake and/or ...

This study was performed to determine whether the sisters of women with polycystic ovary syndrome (PCOS) have evidence for insulin resistance. Three hundred and thirty-six women with PCOS, 307 sisters of these probands, and 47 control women were studied. The sisters were grouped by phenotypes: PCOS [hyperandrogenemia (HA) with chronic oligo- or amenorrhea, n = 39], HA with regular menses (n = 3...

BACKGROUND/AIMS The diagnostic criteria for polycystic ovary syndrome (PCOS) in adolescence are controversial, primarily because the diagnostic pathological features used in adult women may be normal pubertal physiological events. Hence, international pediatric and adolescent specialty societies have defined criteria that have sufficient evidence to be used for the diagnosis of PCOS in adolesce...