In this lecture this complicated area is considered from different perspectives. From the perspective of the foetus, what happens during the 9 months inside the womb? From the perspective of the parents, what are some of the psychological implications of preparing for birth and parenthood? Modern research techniques such as ultrasound have made it possible for us to know more directly what goes on inside the womb, but much remains unknown. What follows is, of necessity, a brief journey around a huge subject.