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The Team

Julia Solomon MDCM, FACOG is the director of the Fetal Diagnostic Center of Arizona. She is board certified in obstetrics and gynecology as well as maternal fetal medicine and practices dedicated prenatal diagnosis and fetal echocardiography. She is a national and international authority on 3-4D ultrasound and fetal echocardiography, and lectures on these subjects worldwide.

Over the course of 15 years of practicing in the Valley, Dr Solomon has been uniquely devoted to high level ultrasound and fetal diagnosis, as well as the collaborative multi-specialty care required to bring complicated pregnancies to the best outcome possible. 

Dr. Solomon is a Senior Member of and currently Chair for Obstetrics for the American Institute of Ultrasound in Medicine, where she is also a member of the Board of Governors. She is a Fellow and Member of American Congress of Obstetricians and Gynecologists, and a Member of Society of Maternal Fetal Medicine, International Society of Ultrasound in Obstetrics and Gynecology and The Fetal Heart Society. She has also served as a co-director of the internationally known Phoenix Fetal Cardiology Symposium for the last 8 years. She has held both academic and clinical leadership positions in both Canada and the US. She is also owner and principal of, which provides onsite high level fetal echocardiography courses to hospitals and other institutions.

She has published in these fields in the form of journal articles and book chapters, and reviews for several prestigious scientific publications. She has extensive experience with high level diagnostic ultrasound services, prenatal genetics, and ultrasound system development and evaluation.

She is married to Ross, a veterinary orthopedic surgeon, has a teenage daughter named Bella, and numerous furries including 4 Spinoni Italiani dogs. 

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Karina Seidl Nall is a board certified genetic counselor. She earned her Bachelor of Science degree in Molecular and cellular biology from the University of Arizona in Tucson, Arizona, followed by a master’s degree in genetic counseling at the Virginia Commonwealth University/Medical College of Virginia.

After practicing in Michigan, Karina relocated to the Phoenix area where she has been a prenatal genetic counselor since 2006. Karina is a member of the National Society of Genetic Counselors and the International Society for Prenatal Diagnosis. She has presented lectures at numerous meetings and has authored a book chapter on the genetic aspects of congenital heart disease.

Karina’s genetic counseling philosophy is patient-centered and focuses on helping couples make informed choices about options for reproductive screening and genetic testing, medical management, and family communication through the process of facilitated decision making. Her capability and know-how is augmented by an effective and culturally sensitive approach to diverse populations. She uses her prior clinical experience to provide support for patients’ decisions based on their genetic testing outcomes. In particular, she strives to incorporate emerging genetic knowledge and recent technological advances to offer exemplary patient care.

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Valerie Jennings RDMS (AB, FE, OB/GYN), RVT is the lead sonographer at Fetal Diagnostic Center of Arizona with 10 years experience specializing in the imaging of high risk pregnancies including complex structural abnormalities, abnormal genetic syndromes and mono-chorionic twinning. Valerie has gained advanced experience in fetal echocardiography and is fetal echocardiography certified by the ARDMS. She also has extensive knowledge of volume based imaging (3-4D) and it's application to the assessment of structural fetal malformations.

Valerie also provides support to for additional hands on training during onsite courses to increase hands-on exposure and scan time as well as augment available CME course credits. 

She graduated cum laude with a Bachelors of Health Science in Ultrasound at the University of Missouri-Columbia in 2009. Valerie is married to Jonathan and enjoys spending time with her 2 children, hiking and cooking.

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