The document outlines the principles of antenatal care, which include predicting and preventing problems in pregnancy through medical history screening, physical exams, and education. It then describes the current approach to antenatal care, which involves prepregnancy counseling, booking and routine visits, and education classes. Finally, it provides details on the processes involved in antenatal visits, including tests, exams, screenings and monitoring the growth and health of the fetus over the course of pregnancy.