Introduction to Obesity and Fertility -- Obesity and the HPO axis -- Childhood and Adolescent Obesity: Implications for Reproductive Health and Function -- Nutrition in Human Fertility -- Preconceptional Obesity and Fetal Outcomes-Transdisciplinary Evidence for Obesity's Effects on Fertility -- Fertility Treatment Outcomes in Obese Women -- Early Pregnancy in Obese Women -- Obesity in Pregnancy -- Contraceptive Counseling in Obese Women -- Obesity and Ovarian Aging (Diminished Ovarian Reserve and Menopause) -- Obesity, Reproductive Outcomes, and Access to Infertility Treatments: A Clinical and Ethical Debate -- Surgical Interventions and Reproductive Function in Obese Women -- Conclusions: Establishing an Ethically and Medically Sound Framework for Integrating BMI Limits Into Infertility Care for Obese Women.