Perfect for students and patients, this easy-to-understand chart provides a visual overview prenatal development from fertilization through the 3rd trimester of development. Shows and describes the fertilization and implantation process. Provides illustrations of the developing embryo and fetus for each period of time. Lists average length (in inches and centimeters) during those time periods and notes some key milestones such as the when the baby begins kicking and when women begin to "show."