Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

Early Pregnancy Factor


24 hours

From The Biology of Prenatal Development.Buy Now

Script: Bereits 24 bis 48 Stunden nach der Befruchtung kann eine Schwangerschaft durch Nachweis eines Hormons, des "Frühschwangerschaftsfaktors" im Blut der Mutter nachgewiesen werden.

All ages referenced to fertilization, not last menstrual period.
Log in to create a playlist
To the Earth and Back
To the Earth and Back
Fertilization 1
Fertilization 1
Fertilization 2
Fertilization 2
Cell Division
Cell Division
The Morula and Blastocyst
The Morula and Blastocyst
3 Billion Base Pairs per Cell
3 Billion Base Pairs per Cell
Free resources and training for educators
Help give babies a healthy start and a healthy future. Donate now.


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: