👉 A geratological term is a medical terminology used to describe the process of pregnancy. It refers to the development and growth of the fetus within the uterus during pregnancy. The term "geratologous" comes from Greek, meaning "growing," as it describes the continuous change in size and structure over time. In this context, geratological terms are often used in obstetrics to describe the stages of fetal development, including the first trimester (first 20 weeks), second trimest