This course is an in-depth study of the role of the use of sonography in pregnancy. Students are provided extensive didactic instruction in the development of comprehensive sonographic examination protocol for first, second, and third trimester obstetrics following AIUM guidelines. Sonographic evaluation of infertility and patients with multifetal gestations will be discussed. Extensive didactic instruction will be provided in fetal biometric measurements and the evaluation of fetal growth. The normal anatomy and physiology of the placenta, umbilical cord, amniotic fluid, and fetal face and neck are presented along with the sonographic evaluation of pathological conditions affecting these structures.