Some find it fascinating. Others consider it unknown and slightly scary. And still others think of pregnancy and birth as all of the above as well as a fact of life that each and every one of us has been a part of in one way or another.

On this 40th anniversary of the Roe v. Wade, the pro-life movement it seems fitting to at least take a look at the mystery of human life.

Technology in recent years has improved imagery inside the womb and allowed for realistic animated visualizations to present various aspects of fetal development in a way that hasn’t been seen before.

We’ve pulled together videos showing different views and aspects of pregnancy and birth (nothing too graphic but it still might be consider so for some — consider yourself warned).

Here’s a TED talk from 2010 in which Alexander Tsiaras shows an amazing visualization of human development from conception to birth (Note: The visualization starts at 2:00):

This video shows MRI footage of twins sharing space inside the womb — even kicking each other a little bit:

Here’s an example to see what twin activity might look like on the outside, comically set to the Jaws soundtrack:

This time-lapsed visualization shows how the human face forms in the womb:

It’s a tiring life inside that womb. This video of a fetal yawn will show you:

They can get upset and cry in there too:

And just in case you fall into the camp where any sort of pregnancy video creeps you out, watch this old-school viral video of a baby laughing at paper being ripped to clear your mind:

Featured image via Shutterstock.com.