The 'Origin of Everything: Why Do Women Give Birth Lying Down?' video explores the medical and historical evolution of birthing practices. Historically, women have given birth in various positions such as sitting or squatting, aided by midwives and female family members. The 20th century marked a shift to hospital births, influenced by male physicians and the advent of medical interventions like forceps and ether. Cultural norms and convenience for medical staff led to the adoption of the lithotomy position, where women gave birth lying down. However, this was not always the safest or most natural position. The video delves into historical accounts, such as those of Greek physician Soranus, and highlights the shifting perceptions over time. The importance of this video lies in understanding how medical practices can be shaped by societal attitudes and the need for informed choices in healthcare settings.