This book investigates the advancements and challenges in conception control methods as understood in the late 1960s. It draws upon the expertise of Robert B. Greenblatt, a notable endocrinologist, to present a comprehensive overview of the scientific and medical landscape surrounding fertility regulation at that time. The work likely synthesizes research, clinical observations, and theoretical discussions to map the progress and future directions in the field.

This volume is likely regarded as a significant historical document within the field of reproductive endocrinology, reflecting the state of knowledge and practice during a pivotal era of development in contraception. Its value lies in providing an expert's perspective on the scientific progress and the medical considerations of the time. The work serves as a reference for understanding the historical trajectory of conception control research and its clinical application.