Incoming Resources
- Human prenatal development
- The biology of prenatal development, produced by the Endowment for Human Development, Inc. ; research and writing, Brian J. Stillwell
- Su embarazo semana a semana, Glade B. Curtis, Judith Schuler ; [ilustraciones médicas de David Fischer ; ilustraciones de los ejercicios de Neal Rohrer]
- From one cell, a journey into life's origins and the future of medicine, Ben Stanger
- In the womb, produced by Pioneer Film and TV Productions Limited for National Geographic Channel ; written, produced & directed by Toby MacDonald ; editor, Andy Greening