Matthew Kelly Janssen, MD
Assistant Professor of Clinical Obstetrics and Gynecology
Associate Physician, Maternal Fetal Medicine, Penn Presbyterian Medical Center, Department of Gynecology, Philadelphia, PA
Attending Physician, Maternal Fetal Medicine, Hospital of the University of Pennsylvania, Department of Obstetrics and Gynecology, Philadelphia, PA
Attending Physician, Maternal Fetal Medicine, Pennsylvania Hospital, Department of Obstetrics and Gynecology, Philadelphia, PA
Department: Obstetrics and Gynecology
Contact information
Penn Maternal Fetal Medicine Washington Square
800 Walnut Street, 11th Floor
Philadelphia, PA 19107
800 Walnut Street, 11th Floor
Philadelphia, PA 19107
Education:
B.A. (Chemistry, Summa Cum Laude)
Washington University, St. Louis, MO , 2012.
MD
Saint Louis University School of Medicine, St. Louis, MO , 2016.
Permanent linkB.A. (Chemistry, Summa Cum Laude)
Washington University, St. Louis, MO , 2012.
MD
Saint Louis University School of Medicine, St. Louis, MO , 2016.
Description of Clinical Expertise
Prenatal diagnosisManagement of twin pregnancies
Management of fetal growth restriction
Management of isoimmunization
Diabetes in pregnancy
Diabetes technology in pregnancy (CGM, Insulin Pump, Hybrid closed loops)
Fetal Echocardiography
Chorionic villus sampling
Amniocentesis
Selective fetal reduction
Management of isoimmunization
Intrauterine transfusion & umbilical cord sampling
Description of Research Expertise
Prenatal urinary tract dilationCervical elastography
Selected Publications
Janssen MK, Forkpa M, Weiss D, Schwartz N: Trajectory analysis of prenatal urinary tract dilation and risk of postnatal surgery. Poster Presentation, Society for Maternal Fetal Medicine 42nd Annual Pregnancy Meeting, Denver, CO January 2025.Lam-Rachlin J, Punn R, Behera SK, Geiger M, Lachaud M, David N, Garmel S, Janssen MK, Sylvester K, Kennedy J, Spiegelman J, Heiligenstein MA, Rebarber A, Devore GR, Zelop CM, Besis R, Levy M, Stos B, DeBoisredon M, Askinazi E, Thorey V, Gardella C, Arunamata A : AI Significantly Improves Detection of Prenatal Ultrasounds Suspicious for Major Congenital Heart Defects by OBGYN/MFMs. Oral Abstract Presentation, Society for Maternal Fetal Medicine Pregnancy Meeting 2025 January 2025.
Zhou CG, Hong CX, Masteling M, Janssen MK, Hamm RF: Racial disparities in cesarean deliveries without trial of labor: a population-based analysis of birth timing. Poster Presentation, Society for Maternal Fetal Medicine 42nd Annual Pregnancy Meeting, Denver, CO January 2025.
Hong CX, Masteling M, Zhou CG, Janssen MK, Triebwasser JE: Differences in time of birth between spontaneous and operative vaginal births. American Journal of Perinatology October 2024.
Bromwich KA, Rush M , Janssen MK, Hirshberg A: Spontaneous hemorrhage of peripheral neurofibroma in pregnancy: A case report. Journal of Case Reports and Images in Obstetrics and Gynecology. Osama Eskandar (eds.). Edorium Journals, 10(1), April 2024.
Janssen MK, Koelper N, Weatherby M, Werth C, Schwartz N: Evaluation of Non-Compressive Transvaginal Cervical Elastography as a Quantitative Imaging Biomarker in Pregnancy: A Repeatability and Reliability Analysis. Journal of Ultrasound in Medicine 43(1): 33-43, January 2024.
Janssen MK, Levine LD, Bromley B, Chasen ST, Russo ML, Roman AS, Limaye MA, Ranzini AC, Clifford CM, Biggio JR, Subramanian A, Seasley A, Patil AS, Weed S, Page JM, Nicholas S, Idler J, Rao R, Crowder A, Shree R, McLennan G, Dugoff L; Twin Cell-Free DNA Study Consortium: Clinical implications of crown-rump length discordance at 11 to 14 weeks in dichorionic twins. American Journal of Obstetrics & Gynecology Elsevier Incorporated, 230(1): 83.e1-83.e11, January 2024.
Janssen MK, Levine LD, Dugoff L: Prenatal diagnostic testing decisions in twin pregnancies in the era of cell-free DNA. Poster presentation, Society for Maternal Fetal Medicine 43rd Annual Pregnancy Meeting, San Francisco California Feb 2023.
Janssen MK, Koelper N, Weatherby M, Werth C, Schwartz N: Intra- and inter-rater reliability for transvaginal cervical strain elastography. Poster Presentation, Society for Maternal Fetal Medicine 43rd Annual Pregnancy Meeting, San Francisco California Feb 2023.
Janssen MK, Levine LD, Dugoff L: Clinical implications of first-trimester crown-rump length discordance in dichorionic twin gestations. Poster Presentation, Society for Maternal Fetal Medicine 43rd Annual Pregnancy Meeting, San Francisco California Feb 2023.