This book is concerned with studying the following: Theories of fetal growth - The role of the cell in the growth process - Human pregnancy - Pregnancy and hormonal, reproductive, muscular, skeletal, nervous, cardiac, respiratory, digestive, renal, nutritional, skin, mammary and immune changes- The causes of repeated miscarriage and Preeclampsia. This book also studies the embryo-fetal diseases and their types: - genetic and hereditary diseases- diseases caused by the fetus's exposure to certain drugs or alcohol- maternal drugs as a teratogen- unknown causes. The book also addresses the impact of colored preservatives on pregnancy and fetuses. The book offers advice on maintaining a healthy pregnancy and reducing the risk of maternal infections.