Mara Rosner, MD, MPH
Areas of expertise: Prenatal diagnosis and fetal therapy, Fetal surgical interventions, Maternal outcomes after fetal interventions, Obstetrical management of pregnancies impacted with birth defects
Locations: Main Building
About Mara Rosner, MD, MPH
Mara Rosner, MD, MPH, is a maternal-fetal medicine specialist in the Richard D. Wood Jr. Center for Fetal Diagnosis and Treatment (CFDT) and Garbose Family Special Delivery Unit at Children’s Hospital of Philadelphia (CHOP). She specializes in the diagnosis and treatment of complex fetal conditions, with particular expertise in twin pregnancies, fetal brain imaging (neurosonography), fetal surgical interventions and first-trimester diagnosis.
Dr. Rosner’s path to maternal-fetal medicine began early. While earning her medical degree and master’s in public health from Tulane University, she was drawn to maternal and child health. During her fellowship at CHOP in 2007, she discovered the transformative field of fetal therapy. “There’s something miraculous about sitting beside a patient and seeing their baby on ultrasound,” she says. “That sense of wonder has never faded.”
After training at Montefiore Medical Center/Albert Einstein College of Medicine in New York, Dr. Rosner went on to faculty roles at New York University and then Johns Hopkins University, where she performed hundreds of fetal interventions and led research focused on identical twin pregnancies and in utero therapies for rare conditions such as spinal muscular atrophy. Her work has appeared in leading journals including the Journal of the American Medical Association and Ultrasound in Obstetrics & Gynecology.
At CHOP, Dr. Rosner is excited to rejoin the team that first inspired her, collaborating with world experts to advance fetal therapy and improve outcomes for families. Her philosophy of care centers on compassion, education and respect for each family’s values.
Outside of medicine, she enjoys yoga, time with her husband and children, and cheering on her daughter’s dance performances.
More from Dr. Rosner: Returning to Her Roots in Fetal Medicine at CHOP
Titles
Maternal-Fetal Medicine Specialist
Awards and Honors
2006, Resident Research Day Award
2005, Medical Student Teaching Award, Various Rotations
2001, Scholarship to attend Physicians for Human Rights Student Leadership Conference
2000-2003, Joseph Collins Foundation Scholarship
1999-2003, Tulane University MD-MPH Student Scholarship
1996-1998, Provost’s Honors, University of California at Los Angeles
1996-1998, Dean’s Honors, University of California at Los Angeles
1996-1998, College Honors, University of California at Los Angeles
Leadership and Memberships
2023-present, North American Fetal Therapy Network (NAFTNET)
- 2023-present, Steering Committee Alternate Member
2012-present, American College of Obstetricians and Gynecologists
2008-present, International Society of Ultrasound in Obstetrics and Gynecology
2007-present, American Institute of Ultrasound in Medicine
2007-present, Society for Maternal Fetal Medicine
2007-present, American College of Obstetricians and Gynecologists, Fellow
Research Interests
Dr. Rosner's scientific research focuses on ultrasound fetal diagnosis, neurosonography, and fetal therapy, particularly for monochorionic twins. She has an interest in multidisciplinary collaborations and is involved in several studies evaluating optimization of the fetal to neonatal transition during delayed cord clamping and neonatal resuscitation on the intact cord.
Education & training
Graduate Degree
MPH - Tulane University School of Medicine, New Orleans, LA
Medical Degree
MD - Tulane University School of Medicine, New Orleans, LA
Residency
Obstetrics and Gynecology - Mount Sinai School of Medicine, New York, NY
Fellowship
Fetal Diagnosis and Treatment - Children’s Hospital of Philadelphia, Philadelphia, PA
Maternal Fetal Medicine - Montefiore Medical Center, Bronx, NY
Publications
Publications
2025
Uribe KA, Birk A, Shantz C, Miller JL, Kush ML, Olson S, Voegtlin KE, Baschat AA, Rosner M. Resolution of selective fetal growth restriction after laser surgery for twin-to-twin transfusion syndrome can be predicted by predisease growth discordance. Ultrasound Obstet Gynecol. 2025 Jan;65(1):47-53. doi: 10.1002/uog.29153. PMID: 39743658.
Birk A, Baschat A, Miller J, Shantz C, Jin J, Simon-Collins M, Olson S, Voegtline K, Wolfson D, Kush M, Rosner M. Repeat fetoscopic laser surgery for postlaser twin anemia polycythemia sequence and recurrent twin-to-twin transfusion syndrome: matched outcomes in a single-center cohort‡. J Matern Fetal Neonatal Med. 2025 Dec;38(1):2463424. doi: 10.1080/14767058.2025.2463424. Epub 2025 Feb 13. PMID: 39947882.
2024
Rosner M*, Kyvernitakis I*, Birk A, Goodman L, Herlands L, Wohlmuth P, Laurie M, Millard S, Kush M, Miller J, Baschat AA. Stage based recipient and donor outcome in twin-to-twin transfusion syndrome treated by fetoscopic laser surgery using Solomon technique. Ultrasound Obstet Gynecol. 2024 Feb 21. doi: 10.1002/uog.27620. Epub ahead of print. PMID: 38379440. *Shared co-first authorship.
Cheng JM, Baschat AA, Atkinson MA, Rosner M, Kush ML, Wolfson D, Olson S, Voegtline K, Goodman L, Jelin AC, Miller JL. Comparison of serial amnioinfusion strategies for isolated early-onset fetal renal anhydramnios. Fetal Diagn Ther. 2024 Jun 10. doi: 10.1159/000539732. Epub ahead of print. PMID: 38857574. I participated in performing the study intervention, study design, data collection, and manuscript writing with the first and senior authors.
Shantz CF, Rosner M, Kush ML, Miller JL, Baschat AA. Treatment of Twin Anemia Polycythemia Sequence with Donor Transfusion and Partial Recipient Exchange Transfusion: Procedural Considerations and Outcomes. J Clin Med. 2024;13(17):5068. Published 2024 Aug 27. doi:10.3390/jcm13175068. I participated in performing the study interventions, study design, data collection, and manuscript writing with the first and senior authors.
Schlant E, Birk A, Baschat A, Kush M, Goodman L, Olson S, Voegtline K, Miller J, Rosner M. Perinatal Outcomes in Appropriately Grown Monochorionic Diamniotic Twins With Intermittent Absent and Reversed End-Diastolic Umbilical Artery Flow Compared to Selective Fetal Growth Restriction Type III. Prenat Diagn. 2024 Dec 16. doi: 10.1002/pd.6717. Epub ahead of print. PMID: 39681800.
2023
Wang F, Vuaght A, Rosner M, Baschat A, Darwin K, Halscott T, Kush M, Miller J, Gomez E. Dichorionic diamniotic hetereotopic twin gestation with cesarean section scar implantation and placenta accreta. Radiology case reports 2023. I took care of the patient and contributed key images and participated in manuscript writing with the first and senior authors.
Sileo FG, Accurti V, Baschat A, Binder J, Carreras E, Chianchiano N, Cruz-Martinez R, D'Antonio F, Gielchinsky Y, Hecher K, Johnson A, Lopriore E, Massoud M, Nørgaard LN, Papaioannou G, Prefumo F, Salsi G, Simões T, Umstad M, Vavilala S, Yinon Y, Khalil A; MCTA Study Group. Perinatal outcome of monochorionic triamniotic triplet pregnancy: multicenter cohort study. Ultrasound Obstet Gynecol. 2023 Oct;62(4):540-551. doi: 10.1002/uog.26256. PMID: 37204929. I contributed approximately 45 cases to this meta-analysis as part of the MCTA study group.
Miller JL, Baschat AA, Rosner M, et al. Neonatal Survival After Serial Amnioinfusions for Bilateral Renal Agenesis: The Renal Anhydramnios Fetal Therapy Trial. JAMA. 2023;330(21):2096–2105. doi:10.1001/jama.2023.21153. I participated in performing the study intervention, study design, and manuscript writing with the first and senior authors.
2022
Atkinson MA, Jelin EB, Baschat A, Blumenfeld YJ, Chmait RH, O'Hare E, Moldenhauer JS, Zaretsky MV, Miller RS, Ruano R, Gonzalez JM, Johnson A, Mould WA, Davis JM, Hanley DF, Keiser AM, Rosner M, Miller JL. Design and Protocol of the Renal Anhydramnios Fetal Therapy (RAFT) Trial. Clin Ther. 2022 Aug;44(8):1161-1171. doi: 10.1016/j.clinthera.2022.07.001. Epub 2022 Jul 30. PMID: 35918190; PMCID: PMC9847373. I participated in study design and manuscript writing with the first and senior authors.
Brar BK, Thompson MG, Vora NL, Gilmore K, Blakemore K, Miller Mgc KA, Giordano J, Dufke A, Wong B, Stover S, Lianoglou B, Van den Veyver I, Dempsey E, Rosner M, Chong K, Chitayat D, Sparks TN, Norton ME, Wapner R, Baranano K, Jelin AC. Prenatal phenotyping of fetal tubulinopathies: A multicenter retrospective case series. Prenat Diagn. 2022 Nov 19. doi: 10.1002/pd.6269. Epub ahead of print. PMID: 36403095. I contributed a case and participated in manuscript writing with the first and senior authors.
Alkhunaizi E, Martin N, Jelin AC, Rosner M, Bailey DJ, Steiner LA, Lakhani S, Ji W, Katzman PJ, Forster KR, Jarinova O, Shannon P, Chitayat D; Care4Rare Canada Consortium. Fetal akinesia deformation sequence syndrome associated with recessive TTN variants. Am J Med Genet A. 2022 Dec 10. doi: 10.1002/ajmg.a.63071. Epub ahead of print. PMID: 36495114. I contributed a case and participated in manuscript writing with the first and senior authors.
2021
Miller JL, Groves ML, Ahn ES, Berman DJ, Murphy JD, Rosner MK, Wolfson D, Jelin EB, Korth SA, Keiser AM, Laurie M, Millard SE, Tekes A, Baschat AA. Implementation process and evolution of a laparotomy assisted two-port fetoscopic spina bifida closure program. Fetal Diagn Ther 2021;1-8. I participated in the clinical care of study subjects, data interpretation, and in manuscript writing with the first and senior authors.
2020
Baschat AA, Rosner M, Millard SE, Murphy JD, Blakemore KJ, Keiser AM, Kearney J, Bullard J, Nogee LM, Bembea M, Jelin EB, Miller JL. Single-center outcome of fetoscopic tracheal balloon occlusion for severe congenital diaphragmatic hernia. Obstet Gynecol. 2020;135(3):511-21. I participated in the clinical care of study subjects, data interpretation and in manuscript writing with the first and senior authors.
Doulaveris G, Gallagher P, Romney E, Richley M, Gebb J, Rosner M, Dar P. Fetal abdominal circumference in the second trimester and prediction of small for gestational age at birth. J Mar Fetal Neonat Med 2020 Jul;33(14):2415-2421. I developed the study question, participated in data interpretation, and manuscript writing with the first and senior authors.
2019
Gadjradj PS, Spoor JK, Eggink A, Winjen R, Miller JL, Rosner M, Groves ML, Dekoninck P, Harhangi BS, Baschat AA, van Veelen M, de Jong THR. Neurosurgeon's opinion on prenatal management of meningomyelocele. Neurosurg Focus. 2019 Oct 1;47:E10. I contributed to data interpretation and manuscript writing with the first author as a part of this international collaboration.
2017
Sahasrabudhe N, Igel C, Echevarria GC, Dar P, Wolfe D, Bernstein PS, Angert R, Dayal A, Gallagher P, Rosner M. Universal Cervical Length Screening and Antenatal Corticosteroid Timing. Obstet Gynecol 2017 Jun;129(6):1104-1108
2015
Gebb J, Dar P, Rosner M, Evans MI. Long-term neurologic outcomes after common fetal interventions. Am J Obstet Gynecol. 2015 Apr;212(4):527.e1-9. I evaluated the data and participated in manuscript writing with the first and senior authors.
2014
Rosner M, Dar P, Reimers L, McAndrew T, Gebb J. First trimester 3-D power Doppler of the uteroplacental circulation space and fetal growth restriction. Am J Obstet Gynecol. 2014 Nov;211(5):521.e1-8
Adler E, Madankumar R, Rosner M, Reznik S. Increased placental trophoblast inclusions in placenta accreta. Placenta. 2014 Dec;35(12):1075-8. I provided the data to be correlated with the histologic evaluation and participated in manuscript writing with the first and senior authors.
2013
Evans MI, Rosner M, Andriole S, Alkalay A, Gebb J, Britt DW. Evolution of gender options in multiple pregnancy management. Prenat Diagn. 2013 Oct;33(10).935-9. I performed data collection and analysis and manuscript writing with the first author.
Rosner M, Pergament E, Andriole S, Gebb J, Dar P, Evans MI. Detection of genetic abnormalities using CVS and FISH prior to fetal reduction in sonographicaly normal appearing fetuses. Prenat Diagn 2013 Oct;33(10);940-4.
2007
Slakey D, Rosner M, Disability Following Kidney Transplantation: the Link to Medication Coverage. Clin. Transplant 2007: 21: 224-228. I originated the idea for the study, designed the relevant survey tool, consented participants and administered the tool to study subjects, and participated in manuscript writing with the first author.
Editorials, Reviews, Chapters
2025
Rosner M, Zelop CM. Vaginal Birth After Cesarean: Contemporary update and ongoing controversies for the clinician in the Trenches. Scientific American OBGYN. Decker Medicine Inc.
2023
Rosner M, Baschat AA, Groves ML, Faden MS, Laurie M, Miller JL. Fetal neurosurgery. In: Malinger G, Monteagudo A, Pilu G, Paladini D, Timor-Tritsch, IE, eds. Timor’s Ultrasonography of the Prenatal Brain. China: McGraw Hill, 2023:617-24.
2019
Miller JL, Rosner M, Baschat AA. Selective intrauterine fetal growth restriction in monochorionic twin pregnancies. Post TW, ed. UpToDate. Waltham, MA: UpToDate Inc. http://www.uptodate.com. Accessed November 15, 2019.