This issue of Endocrinology and Metabolism Clinics of North America is devoted to Reproductive Endocrinology. Guest Editors Peter Lee, MD and Christopher P. Houk, MD have assembled a group of expert authors to review the following topics: Fertility Among Females and Males with Congenital Adrenal Hyperplasia (21-Hydroxylase Deficiency); Reproductive Issues for Turner Syndrome; Fertility and Reproduction Among Childhood Cancer Survivors; Fertility After Crypotochidism; Male Obesity and Fertility; Fertility Issues among Transgender Individuals; Fertility Preservation in Pediatrics; Polycystic Ovary Syndrome (PCOS); Fertility Issues for Patients With Delayed Puberty (Constitutional Delay, Functional Delay, and Hypogonadotropism); Varicocele; Testis Development and Reproduction in Klinefelters Syndrome; and Fertility Issues Among Those With Disorders of Sex Development.

This issue of Endocrinology and Metabolism Clinics, edited by Drs. Nanette Santoro and Lubna Pal, is devoted to Postmenopausal Endocrinology. Articles in this issue include: Endocrinology of Menopause; Menopausal Symptoms; Bone Health and Osteoporosis; Surgical Menopause; Premature Menopause; Cardiovascular Changes; MHT: Current Considerations; Breast Cancer and Hormones; Other Cancers and Menopause; CAM for Menopausal Symptoms; Menopause and Sexuality; and Menopause and Metabolism.

This issue of Endocrinology and Metabolism Clinics, edited by Dr. Robert Rapaport, is devoted to Pediatric Endocrinology. Articles in this issue include: Thyroid Cancer in Pediatrics; Gender and Sex Assignment; CAH Prenatal Diagnosis; Diabetes; Polycystic Ovarian Disease; Newborn Screening for X-linked ALD; Growth in Patients w/ Skeletal Dysplasia; Thyroid Imaging in Infants; Bariatric Surgery in Youth; Pituitary Imaging in Pediatrics; and Cardiac and Metabolic Features of GH Deficiency.

This issue of Endocrinology and Metabolism Clinics examines the timely topic of Lipidology. In addition to the New Recommendations - ACC/AHA Lipid Guidelines, the issue also includes Familial Hypercholesterolemia; LDL Apheresis; Lipids in Pregnancy and Women; Diabetes and Lipidology; Diabetic Dyslipidemia; Fatty Liver Disease; Lipids and HIV Disease; Residual Risk; and Statins' effects on diabetes, cognition, and liver safety.

This issue of Endocrinology and Metabolism Clinics, guest edited by Drs. Caroline M. Apovian and Nawfal Istfan, is devoted to Obesity. Articles in this comprehensive issue include: Guidelines for Obesity Management; Obesity is a Disease; Pharmacotherapy for Obesity; Bariatric Surgery Mechanisms; Diabetes Treatment in the Patient with Obesity; Adipose Tissue: Inflammation and the Endocrine Organ; Behavioral Treatment of the Patient with Obesity; The Role of Macronutrient Content in the Diet for Weight Loss and Weight Maintenance; Substrate Oxidation and Brown Adipose Tissue; Brown and Beige Adipose Tissue: Therapy for Obesity?; Ethnic Differences in Diabetes Lipids HTN and Obesity; Genetics of Bariatric Surgery Outcomes; Leptin and Hormones: Energy Homeostatis; Bariatric Surgery Clinical Outcomes; Medical Devices for Obesity; Adolescent Bariatric Surgery; Psychological Aspects of Obesity; and Nutrient Timing.

The Guest Editors have compiled a comprehensive issue that includes both disorders of endocrinology as well as diabetes. Authors have addressed the following clinical topics: disorders of menstruation, thyroid function; gender dysphoria; hypoglycemia in the nondiabetic child; preventing DKA; short- and long-term outcomes in diabetes, and whole genome sequencing in endocrinology. These topics represent the current knowedge in the field, and pediatricians will have the most updated clinical information as they evaluate and treat children with diabetes or endocrinology disorders.

This issue of Endocrinology Clinics covers essential updates in a range of common endocrine disorders that are of special concern during pregnancy, as well as endocrine problems that can arise due to pregnancy. A variety of thyroid, pituitary, adrenal, and hypertensive disorders are covered, as well as calcium and bone metabolism disorders during pregnancy and lactation. Diagnosis and treatment of gestational diabetes, and pregestational diabetes are addressed. Iodine disorders in pregnancy and lactation are covered. Hyperprolactinemia and infertility are also addressed. Special concerns of obesity in women with reproductive dysfunction are considered. An in-depth guide to achieving a successful pregnancy with PCOS is provided

In this issue of Endocrinology and Metabolism Clinics, guest editors Channa Jayasena and Shalender Bhasin bring their considerable expertise to the topic of Hypogonadism. - Provides in-depth reviews on the latest in Hypogonadism. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field; Authors synthesize and distill the latest research and practice guidelines to create these timely topic-based reviews.

This issue of Endocrinology and Metabolism Clinics, guest edited by Dr. Paul Hruz, is devoted to HIV and Endocrine Disorders. Articles in this issue include: Dyslipidemia and cardiovascular risk in HIV infection; Changes in nutritional concerns in HIV/AIDS; HIV Lipodystrophy: Lessons learned about adipose tissue and metabolic disorders; Hypogonadism in the HIV infected male; Gonadal function and reproductive health in women with HIV; Osteopenia, osteoporosis, and fracture risk with HIV infection and treatment; HIV-associated calcium and vitamin D abnormalities; Alterations in pancreatic islet function in HIV; Insulin resistance, glucose intolerance, and diabetes in HIV; Thyroid abnormalities in HIV; HPA axis/adrenal pathology in HIV; and Endocrinopathies in HIV-infected children.

This issue of Endocrinology and Metabolism Clinics will cover Obesity. Curated by Dr. Michael D. Jensen, this issue will explore topics in the field that are relevant for practicing clinicians. This issue is one of four selected each year by the series Consulting Editor, Adriana G. Ioachimescu. The volume will include articles on: The role of the environment in the "obesity epidemic, Endoscopic treatments for obesity, Visceral fat, Role of commercial weight loss programs in medical management of obesity, Racial differences in metabolic consequences of fat gain, Sex differences in adipose tissue function, Common and rare complications of bariatric surgery, Strategies for physical activity interventions in the treatment of obesity, Effects of pregnancy on childhood overweight and obesity, Iatrogenic Obesity, Growth hormone and obesity, and Barriers and solutions for prescribing obesity pharmacotherapy.