Facial expressions in the womb

"Whatever the fetus is feeling, at 20 weeks she is certainly capable of demonstrating lots of facial expressions. 4D scans have revealed babies not only grimacing but also seeming to smile and even laugh." -- Peter Tallack, In the Womb (National Geographic)

These images are from the Endowment for Human Development (which is not a pro-life organization). See more fetal facial expressions here.