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Katie Sagaser, M.S.

Katelynn Grace Sagaser, M.S.

Headshot of Katie Sagaser
  • Assistant Professor of Gynecology and Obstetrics

Research Interests

Fetal Anomalies; Skeletal Dysplasias; Hypophosphatasia; Expanded Carrier Screening; Religion & Spirituality in Genetic Counseling; Reproductive Rights; Genetic Testing Ethics more


Katie Sagaser is a certified genetic counselor and Assistant Professor of Gynecology & Obstetrics at the Johns Hopkins University School of Medicine in Baltimore, MD.

She completed her Masters degree in Genetic Counseling at the University of Texas Graduate School of Biomedical Sciences in Houston, TX.

Katie and her 4 genetic counseling colleagues see patients with a wide variety of prenatal and preconception genetics indications in the Johns Hopkins Prenatal Diagnosis and Treatment Center as well as the Johns Hopkins Center for Fetal Therapy.

Katie is a clinical supervisor for genetics trainees from the Johns Hopkins University School of Medicine, the National Institutes of Health, and the University of Maryland. She is the 2020 Senior Co-Chair of the NSGC Prenatal Special Interest Group, and the recipient of the 2019 NSGC New Leader Award and the 2020 American College of Medical Genetics & Genomics Carolyn Mills Lovell Genetic Counselor Award.

Katie’s professional interests include genetic counseling for complex congenital anomalies, fetal dysmorphology, intricacies of expanded carrier screening in the general population, and the role of spirituality in health care. more


  • Assistant Professor of Gynecology and Obstetrics

Departments / Divisions



  • B.S.; Messiah College (Pennsylvania) (2013)
  • M.S.; University of Texas Health Science Center (Texas) (2015)

Research & Publications

Selected Publications

View all on PubMed

Sagaser KG, Shahrukh Hashmi S, Carter RD, et al. Spiritual Exploration in the Prenatal Genetic Counseling Session. J Genet Couns. 2016;25(5):923-935. doi:10.1007/s10897-015-9920-y

Barnes BT, Procaccini D, Crino J, Blakemore K, Sekar P, Sagaser KG, Jelin AC, Gaur L. Maternal Sirolimus Therapy for Fetal Cardiac Rhabdomyomas. N Engl J Med. 2018;378(19):1844-1845. doi:10.1056/NEJMc1800352

Jelin AC, Sagaser KG, Forster KR, Ibekwe T, Norton ME, Jelin EB. Etiology and management of early pregnancy renal anhydramnios: Is there a place for serial amnioinfusions?. Prenat Diagn. 2020;40(5):528-537. doi:10.1002/pd.5658

Jelin AC, Sagaser KG, Wilkins-Haug L. Prenatal Genetic Testing Options. Pediatr Clin North Am. 2019;66(2):281-293. doi:10.1016/j.pcl.2018.12.016

Sagaser KG, Stevens B, Davis J, Northrup H, Ramdaney A. Close but not quite: Two cases of sex chromosome aneuploidies outside the scope of cell free DNA screening [published online ahead of print, 2018 Apr 12]. Prenat Diagn. 2018;10.1002/pd.5264. doi:10.1002/pd.5264

Contact for Research Inquiries

Johns Hopkins Hospital - Prenatal Diagnosis & Treatment Center
600 N. Wolfe Street
Nelson 247
Baltimore, MD 21287 map

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Activities & Honors


  • 2019 NSGC New Leader Award, National Society of Genetic Counselors, 2019
  • 2020 Carolyn Mills Lovell Genetic Counselor Award, American College of Medical Genetics & Genomics, 2020


  • National Society of Genetic Counselors
  • Society of Maternal Fetal Medicine

Videos & Media

Recent News Articles and Media Coverage

Your Comprehensive Guide to Non-Invasive Prenatal Testing, The Bump (March 2019)

The ACMG Foundation announces recipient of Carolyn Mills Lovell Genetic Counselor Award, EurekAlert! (March 18, 2020)

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