A woman normally discovers that she is pregnant after she misses her first menstrual cycle. This means the egg cell has been fertilized several weeks earlier and many crucial steps in the human development have already taken place. Below an image to show the many stages of Human development. (image taken from: http://php.med.unsw.edu.au/embryology/index.php?title=Embryonic_Development)

If you are interested in learning more on the actual fetal development, please visit one of the links listed below or visit our video section where some videos are provided that show this amazing development from conception to birth.

A video on parents.com - http://www.parents.com/videos/fetal-development.htm?showVideo=true 

An animation on Howard Hughes medical institute - http://www.hhmi.org/biointeractive/human-embryonic-development

A timeline on UNSW Embryology - http://php.med.unsw.edu.au/embryology/index.php?title=Timeline_human_development

Another way of a timeline of developement on the Visible Embryo - http://www.visembryo.com/baby/