Follow the amazing journey of the earliest stages of human life, with month-by-month development shown in unprecedented detail. The complex concepts and processes of emerging life are demystified in clear, jargon-free text, while specially commissioned 3D images, extraordinary photographs, and detailed artworks illustrate every aspect of human pregnancy. The Science of Pregnancy also looks at the nature of human pregnancy, including how it evolved, and explores the anatomy and physiology of both the male and female reproductive systems. The mysteries of DNA and genetics are unravelled and explained in clear, illustrated detail, including patterns of inheritance and the interplay of genes and environment. The book also provides straightforward, illustrated information on possible problems before, during, and after birth.