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A newborn with genital ambiguity requires careful diagnostic evaluation to identify the underlying etiology in an efficient manner and assign gender without lengthy delay. The infant's family needs comprehensive psychosocial support. Such infants should be referred to a multidisciplinary team with expertise in disorders of sex development., (Copyright © 2015 Elsevier Inc. All rights reserved.)

A number of factors have contributed to a sharp increase in the number of publications related to disorders of sex development (DSD) in the past 5 years, namely: the establishment of a consensus in 2006 about nomenclature, investigations and the need to treat these patients in a multidisciplinary setting; increase of the knowledge base about genetic mechanisms of normal and abnormal sex development; critical appraisal about the timing and nature of genital surgery in patients with DSD. Herein, the authors present a comprehensive review with up-to-date data about the approach to the newborn with ambiguous genitalia as well as the diagnosis and management of the most common DSD., (Copyright © 2012. Published by Elsevier Inc.)

Prevention of loss of b cells in type 1 diabetes is a major goal of current research. Knowledge of the genetic susceptibility, increasing ability to predict who may be at risk, recognition of the potential clinical impact of residual insulin secretion after diagnosis, and development of new immunomodulatory agents have supported an increasing number of clinical trials to prevent b-cell loss. Interventions can be targeted at 3 stages: before the development of autoimmunity (primary prevention), after autoimmunity is recognized (secondary prevention), or after diagnosis when significant numbers of b cells remain (tertiary prevention). Thus far, several agents show promise when given shortly after diagnosis, but no interventions before diagnosis have shown benefit. Knowledge in this area has grown quickly in recent years and will continue to grow rapidly with several international collaborative efforts underway., (Copyright © 2011 Elsevier Inc. All rights reserved.)