Concise, recent data are presented on obstetric problems arising in patients with cardiovascular diseases (not only congenital and acquired valvular heart diseases and hypertension, but also uncommon heart lesions) and on cardiological complications encountered in pregnant women. The goal of the book is to provide obstetricians with necessary cardiological information and cardiologists with essential obstetric information to enable both specialists to make optimal decisions regarding the permissibility of pregnancy, management of pregnancy and labour, or termination of pregnancy, and selection of an adequate form of contraception in women with heart and vascular diseases. Along with recent scientific findings, the book contains practical recommendations for examination diagnosis and treatment that is effective for the mother and safe for the fetus.