Teacher Resources

Interactive Prenatal Timeline

This vertical timeline, featuring movies, images, facts, and even quiz questions, is an extremely versatile tool for learning about prenatal development from fertilization to birth. Study development chronologically, as a whole or by body system. After selecting a level of difficulty, choose any combination of 16 individually selectable body systems or regions. There are more than three million, user-selectable configurations!

Additionally, footnotes and a bibliography can be shown. The timeline can be instantly regenerated to see the text in English and/or Spanish. Many other languages will be available in the near future.