3D pregnancy shows the approximate progress of a growing fetus week-by-week including illustrations, and weight and length estimates. You can rotate the image and even view it in 3D with special anaglyph glasses(hence the site name! There is also information on how to buy the glasses). Each week also contains an article with helpful tips and separate sections centered on baby, mom, dad and siblings. You can enter your due date and e-mail address have each week’s information sent to you. There is also a simple and accessible due date calculator. A great way to anticipate and learn about changes in baby thoroughout the course of a pregnancy.