period despite maintaining a stable weight. The cause of these disturbances seemed to be located at or above the level of the hypothalamus in four patients and the pituitary in three, and one patient had polycystic ovaries. No patients suffering pituitary dysfunction had a history of anorexia nervosa. The ovarian ultrasound scan confirmed the test findings in all but one patient (case 11), in w...

Polycystic ovarian syndrome (PCOS) is the most common form of chronic anovulation associated with androgen excess. Large scale studies have observed a prevalence rate of PCOS 5% to 10% among reproductive-age women.1,2 Currently, there are 3 widely accepted sets of criteria for diagnosis of PCOS.3,4 After excluding other causes of hyperandrogenism, National Institute of Health (NIH) criteria (19...

BACKGROUND In women with chronic anovulation, the choice of the FSH starting dose and the modality of subsequent dose adjustments are critical in controlling the risk of overstimulation. The aim of this prospective randomized study was to assess the efficacy and safety of a decremental FSH dose regimen applied once the leading follicle was 10-13 mm in diameter in women treated for WHO Group II ...

BACKGROUND Emerging evidence suggests potential links between some dietary fatty acids and improved fertility, because specific fatty acids may affect prostaglandin synthesis and steroidogenesis. OBJECTIVE The objective of this exploratory study was to evaluate associations between total and specific types of dietary fat intake and 1) hormone concentrations and 2) the risk of sporadic anovula...