👉 Teratogenesis is a scientific field that studies the development and function of the human embryo, particularly during pregnancy. It involves the study of how the developing fetus develops from its early stages to adulthood, including growth, development, and changes in physiology. In layman's terms, teratogenesis refers to the process by which a fetus grows and develops into an adult. The term is often used in medical contexts to describe the process of pregnancy and childbirth, but it also has applications in biology, medicine