Dr. Mary Norton is a Maternal Fetal Medicine specialist as well as a clinical geneticist. She specializes in the care of women at high risk for having a baby with a birth defect or genetic disorder. She oversees the prenatal diagnosis program at UCSF and is an expert in high-risk obstetrical ultrasound and prenatal diagnosis procedures such as amniocentesis and CVS. Her research interests include the use of new genetic technologies for fetal testing, and she is a national expert in the use of cell free DNA testing. She also has a particular interest in patient attitudes and preferences regarding prenatal testing.

2017 BMA Awards: First Prize, Radiology"This continues to be the gold standard because of its detailed explanations of images and the rationales for the modality. The online features augment the learning experience. This will remain a core book in our training curriculum." -Anthony Shanks, MD (Indiana University School of Medicine) Doody’s Score: 99 - 5 Stars!

• SECTION I. Obstetrics1. Obstetric Ultrasound Examination2. Genetics and Prenatal Diagnosis3. Ultrasound Evaluation of Fetal Aneuploidy in the First and Second Trimesters4. Ultrasound of the Early First Trimester5. Evaluation of the Fetal Anatomy in the First Trimester6. Fetal Biometry and Growth7. Ultrasound Evaluation of Multiple Gestations8. Ultrasound Evaluation of Normal Fetal Anatomy9. Ultrasound Evaluation of the Fetal Central Nervous System10. Ultrasound Evaluation of the Fetal Face and Neck11. Fetal Musculoskeletal System12. Ultrasound Evaluation of the Fetal Thorax13. Sonographic Evaluation of the Fetal Heart14. Ultrasound Evaluation of the Fetal Gastrointestinal Tract and Abdominal Wall15. Fetal Genitourinary Tract16. Ultrasound Features of Fetal Syndromes17. Ultrasound Evaluation of Hydrops Fetalis18, Ultrasound Evaluation of the Gravid Cervix19. Ultrasound Evaluation of the Placenta, Membranes, and Umbilical Cord20. Amniotic Fluid Volume in Fetal Health and Disease21. Antepartum Fetal Surveillance and the Role of Ultrasound22. Role of Doppler Ultrasound in Obstetrics23. Role of Magnetic Resonance Imaging in Obstetrics24. Role of Sonography in Fetal Procedures25. Obstetric Ultrasound Imaging and the Obese PatientSECTION II. Gynecology26. Normal Anatomy of the Female Pelvis and Transvaginal Sonography27. Abnormal Uterine Bleeding-The Role of Ultrasound28. Ultrasound Evaluation of the Uterus29. Evaluation of Pelvic Pain in the Reproductive Age Patient30. Ultrasound Evaluation of the Ovaries31. Ultrasound Evaluation of the Fallopian Tube32. Sonographic Imaging of Infertility and Assisted Reproduction33. Ectopic Pregnancy34. Gynecologic Sonography in the Pediatric and Adolescent Patient35. Ultrasound and Magnetic Resonance Imaging in Urogynecology36. Role of Magnetic Resonance Imaging in the Evaluation of Gynecologic Disorders37. Role of Sonography in Gynecologic InterventionsSECTION III. Technical Considerations and Aberrations38. Artifacts, Pitfalls, and Normal Variants in Obstetrical and Gynecologic UltrasoundAppendixA. Measurements Frequently Used to Estimate Gestational Age and Fetal BiometryB. Measurements Used in Assessing Fetal Weights, Growth, and Body ProportionsC. Measurements for Amniotic Fluid AssessmentD. Fetal Doppler Assessment (Noncardiac)E. Doppler of the Middle Cerebral Artery to Assess Fetal AnemiaF. Fetal Cardiac Measurements and Doppler AssessmentG. Sonographic Detection of Chromosomal AbnormalitiesH. Medications and Reported Associated MalformationsI. Estimated Radiation Exposure to the Fetus During Radiographic ExaminationsJ. Magnetic Resonance Imaging of the Female Pelvis: Representative Protocols