First-Trimester Ultrasound

Jacques S. Abramowicz, MD

Dr. Abramowicz is a Board-certified Obstetrician-Gynecologist with special training in Ob/Gyn ultrasound (in London, UK, with Stuart Campbell) and a Professor of Obstetrics and Gynecology at the University of Chicago, Chicago, IL, USA. He is the Director of Ultrasound Quality Assurance and previously Director of Ultrasound Services and Director of the Fetal and Neonatal Care Center at the University of Chicago, Division of Maternal-Fetal Medicine. A Fellow of the American College of Obstetricians and Gynecologists (ACOG), the American Institute of Ultrasound in Medicine (AIUM), the American Gynecological and Obstetrical Society (AGOS) with over 230 peer-reviewed publications and book chapters. He is the editor of Ultrasound in the First Trimester, a Comprehensive Guide, published in 2016 and co-editor of 3 books, including the 8th edition of Fleischer's textbook of Ultrasound in Obstetrics and Gynecology, in 2018. He has given over 250invited presentations and lectures, including the Rudy Sabaggha lecture at Northwestern University, the William Fry award lecture at the 2011 AIUM Annual Convention (The award honors an AIUM member that has significantly contributed to the scientific progress of diagnostic medical ultrasound) and the Honorary Jisan Lecture at the 2022 Annual Meeting of the Korean Society of Medical Ultrasound. He is a Past Chair of the Illinois Section of ACOG, past member of the Board of AIUM, past Chair of the Obstetric Community of Practice, Chair of the Bioeffects Committee (2005-2007, 2019-2021), a member of the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) and member and past Chair of its Safety Committee. He is on the Executive Bureau and President-elect of the World Federation for Ultrasound in Medicine and Biology (WFUMB), on the WHO task force on Non-ionizing radiation guidelines and a member of the International Commission for Non-Ionizing Radiation Protection (ICNIRP).

Ryan E. Longman, MD

Dr. Longman is Associate Professor and the Director of Ultrasound, Genetics, and the Fetal Neonatal Care Center for the department of Obstetrics and Gynecology at the University of Chicago. Prior to joining the University of Chicago, he served as the Director of the Division of Reproductive Genetics at the University of Miami Miller School of Medicine and Director of Obstetrical Genetics at the Washington University School of Medicine.

Dr. Longman's academic career began at the University of Pennsylvania where he majored in biology and graduated with a Bachelor of Arts. After a two-year research fellowship at the National Institutes of Health, he continued his formal education as a medical student at Thomas Jefferson University. Upon graduation from medical school, he began a residency in obstetrics and gynecology at the Mount Sinai School of Medicine in New York. After completing his residency in obstetricsand gynecology, he went on to complete a fellowship in maternal-fetal medicine and a second residency in medical genetics at the University of Michigan.

Dr. Longman's clinical practice specialized on prenatal ultrasound, early fetal anatomic survey at 12-14 weeks, amniocentesis, chorionic villus sampling, noninvasive prenatal genetic testing, carrier screening, chromosomal microarray, fetal exome sequencing, pregnant women with connective tissue disorders, and cancer genetics.

Dr. Longman is a sought-after lecturer, both nationally and internationally, in the field of ultrasound and genetics. He has been in practice for over a decade and has published dozens of papers, review articles, and book chapters in his field.