The woman's skirt is a uterus and the flowers she is carrying are lung tissue.
The tree was cut out from a medical illustration of a human lung.
Collage has always been one of my default means of expression. And to those who consider using ready made imagery cheating, tough! i made this series about three years ago, most of them sold but not all. I appear to have focussed on fertility, and childbirth so they need little explanation, but I would appreciate any feedback.