Home Introduction Prefertilization Events First Week (Days 1-7) Second Week (Days 8-14) Embryonic Period (Weeks 3-8) Placenta and Extraembryonic Membranes Limb Development Nervous System Face and Pharynx Digestive System Urinary System Reproductive System Cardiovascular System Respiratory System Body Cavities Ear Eye Fetal Circulation and Changes at Birth
