Description of Research Expertise
Prenatal urinary tract dilation
Cervical 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 : 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 : 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 : 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 10 (1): 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): 33-43,2024.
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 230 (1): 83.e1-83.e11,2024.
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 : 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 : 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 : 2023.
Janssen MK, Parameshwaran S, Schwartz N: Utility of fetal-placental volume ratio by MRI and prediction of SGA birthweight.
Oral Presentation, AIUM, San Diego, CA : 2022.
Academic Contact Information
Penn Maternal Fetal Medicine Washington Square
800 Walnut Street, 11th Floor
Philadelphia,
PA
19107
Patient appointments: 800-789-7366