Descent and flexion of the fetal head are important terms used in obstetrics to describe the movement of the baby's head through the birth canal during labor. Descent refers to the downward movement of the baby's head towards the pelvis, while flexion refers to the baby's head bending forwards towards its chest. Synonyms for descent include downward progress, descention, dropping, and lowering. Synonyms for flexion include bending, curving, stooping, and bowing. These terms are critical in the assessment of labor progress and can help healthcare providers determine the best course of action for delivery. Understanding these synonyms can help expectant mothers communicate more effectively with their healthcare providers during labor and delivery.