Zeroing in on all the crucial clinical and scientific knowledge of embryology and teratology that you need to master. The new edition of Before We Are Born explores how organs and systems develop week by week, stage by stage, and why and when abnormalities occur, and what the vital roles of the placenta and foetal membranes are in development, in an easy to use format. Completely revised and updated, the new 6th edition of Before We Were Born emphasises the clinical aspects throughout by use of clinical correlations as well as hundreds of superb illustrations.