This book is a reflection of the dynamic nature of our field, where continuous advancements and evolving guidelines shape the way, we care for our patients. Obstetrics and gynecology (OBGYN), being the most dynamic branch, is always at the forefront of innovation. As we navigate the complexities of modern healthcare, we know that management strategies are continuously changing. The fight against the diseases like COVID-19, cancer and human papilloma virus has underscored the importance of advancing medical science and technologies and have compelled us to fight against them on war footing and overcome with successful vaccines. Infertility management has achieved new horizons, with detection of epigenetic disorders, adult diseases of fetal origin, artificial intelligence in medical field, stem cell therapies, and newer surgical advances such as robotic surgery, which have made revolutionary changes in the management strategies of OBGYN. India is the most populous country in the world and in spite of best efforts by government and private sectors, it is estimated that 63 million people in India are pushed into poverty by health expenses each year. In spite of tremendous improvement in childhood vaccination, adult ailments have not reduced. Noncommunicable diseases due to changing lifestyle are increasing; therefore, our contributors, who are experts in their respective fields, have shared their wealth of knowledge and experience, ensuring that this text covers a wide array of topics with depth and precision.