Maternal-Fetal Medicine Fellows

Nigel Madden, MD

Third Year

Dr. Madden joined Northwestern University Feinberg School of Medicine in July 2021 after completing her residency at Columbia University Irving Medical Center. She has a special interest in the management of periviable complications, healthcare disparities in obstetrics, and quality improvement. She is currently completing the Academy for Quality and Safety Improvement (AQSI) program in which her project focuses on improving the social determinants of health screening in resident/fellow outpatient OB/GYN clinics. Her thesis is yet to be determined. She is also working to advance research regarding the impact of abortion restriction on both low- and high-risk pregnancies and would like to continue to focus on work involving advocacy and health policy in her career after fellowship. 

Mariana Espinal, MD

Second Year

Dr. Mariana Espinal joined Northwestern in July 2022 after completing her residency at Yale-New Haven Hospital. Her research interests include labor management, preterm labor, premature prelabor rupture of membranes and gestational diabetes. Dr. Espinal is also passionate about surgical training and simulation in obstetrical procedures including amniocentesis, cerclages and complex surgery for placenta accreta spectrum. Her ongoing projects include an evaluation of interpregnancy interval and outcomes of induction of labor in patients undergoing a trial of labor after cesarean labor, evaluation of the association of poor social support and outcomes of pregnancies complicated by gestational diabetes and evaluation of risk factors for exam indicated cerclage in patients with short cervix.  Additionally, she is interested in medical education and simulation and plans to complete a certificate program in Medical Simulation through the McGaw Clinical Scholars Program and pursue a career as a clinician-educator after fellowship. 

Nkechinyelum Ogu, MD

First Year

Dr. Ogu who completed her residency training at Northwestern University Feinberg School of Medicine, is staying to complete her Maternal Fetal Medicine fellowship training. She has an interest in fetal surgery, placenta accreta spectrum disorders, global medicine, and health disparities. Her thesis is yet to be determined. Her current research efforts focus on quality improvement regarding trichomonas screening in pregnancy, impact of aspirin of fetal ductal flow, and maternal mental health for patients undergoing fetal surgery. Dr. Ogu plans to embark on a second fellowship in fetal surgery.  

Jessica Steinberg, MD

Incoming Fellow

Stephanie A Fisher

2023

Dr. Fisher joined Northwestern University Feinberg School of Medicine in July 2020 after finishing her residency at the Barnes-Jewish Hospital/Washington University in St. Louis. She had previously completed her Master of Public Health at the University of Miami Miller School of Medicine. She has a special interest in HIV and other infectious diseases in pregnancy, preterm birth, fetal growth restriction, and management of abnormal labor. For her thesis she has completed a cost-effectiveness analysis of universal first trimester serologic CMV screening and valaciclovir prophylaxis. She completed her fellowship training in June 2023.  Dr. Fisher recently joined the MFM Practice at Northwestern as a clinician-researcher.

Irina Rozin Cassimatis, MD

2022

Saba H. Berhie, MD

2021

Ashish Premkumar, MD, MPH

2020

Ashish Premkumar, M.D., started his training in July 2017 after completing a residency in Obstetrics and Gynecology at University of California, San Francisco. His particular interest is in perinatal substance abuse, preeclampsia, and bioethical concerns in perinatal health. Dr. Premkumar also completed graduate training in cultural anthropology at The Graduate School at Northwestern University, with a focus on the intersection of perinatal substance abuse and socioeconomic marginalization. Currently, an Assistant Professor in the Section of Maternal-Fetal Medicine in the Department of Obstetrics and Gynecology at Pritzker School of Medicine, The University of Chicago.  My clinical and research interests include the intersection of maternal-fetal medicine and family planning, maternal-fetal therapy, perinatal infectious diseases, hypertension in pregnancy, and placenta accreta spectrum disorder.

Nevert Badreldin, MD, MS

2019

Dr. Badreldin joined Northwestern University Feinberg School of Medicine in July of 2016 after she completed her residency at Duke University in Durham, North Carolina. Her special interests are in clinical obstetrics and preterm labor, and her research and thesis during fellowship was focused on Postpartum opiod prescribing practices and patient utilization.  Dr. Badreldin completed her fellowship in July of 2019 and has joined the Maternal-Fetal Medicine faculty at Northwestern Medicine in Chicago, Illinois. 

Ann Melissa Dude, MD, Ph.D

2018

Dr Dude joined Northwestern University Feinberg School of Medicine in July 2015 after completing her residency at University of Illinois at Chicago, Chicago, IL.  Her special interest are clinical obstetrics and preterm labor.  Her thesis and research interest during fellowship focused on the Inter-delivery weight gain and risk of cesarean delivery following prior vaginal birth.  Dr. Dude completed her fellowship in 2018 and has joined the MFM faculty at the University Of Chicago, Dept of Obstetrics and Gynecology in Chicago, IL.

Moeun Son, MD, MSCI

2017

Dr. Son joined Northwestern University Feinberg School of Medicine in July 2014 after completing her residency at Columbia University, New York Presbyterian Hospital in New York.  Her research thesis during fellowship focused on universal cervical length screening in women without history of prior preterm delivery and its association with the preterm birth rate.  She was also awarded a Friends of Prentice Foundation grant to conduct a double-blind randomized clinical trial comparing high-dose and low-dose oxytocin regimens for labor augmentation in nulliparous women.  With the full support of the department, she earned her MSCI degree from the Northwestern Graduate School during her fellowship.  Dr. Son completed her fellowship in June 2017 and has joined the MFM faculty over at Yale University Medical Center in New Haven, Connecticut.  

Anna Palatnik, MD

2016

Dr. Palatnik joined Northwestern University Feinberg School of Medicine in 2013 after finishing her residency at the Medical College of Wisconsin.  Her special interests are clinical obstetrics and preterm labor. Her research interest is the association of subchorionic hematoma with cervical length and preterm birth.  Dr. Palatnik completed her fellowship in 2016 and is now a full-time faculty member in the Dept. of Obstetrics and Gynecology Medical College of Wisconsin. 

Lynn Yee, MD, MPH

2015

Dr. Yee completed her residency at the University of California San Francisco in California and started her Fellowship with Maternal-Fetal Medicine in July 2012. She also completed her Master's in Public Health in 2008. Her interests are in health disparities, decision making in pregnancy, health literacy, and health services research. Dr. Yee completed her fellowship in July 2015 and joined the MFM faculty at Northwestern in September 2015.

Emily S. Miller, MD, MPH

2014

Dr. Miller completed her residency at Northwestern University, Feinberg School of Medicine in Chicago and started her Fellowship with Maternal-Fetal Medicine in July 2011. She has completed her Master's in Public Health and her special interests include reproductive epidemiology and peripartum mental health.  She joined the MFM faculty from August of 2014 at Northwestern as a WRHR scholar up until February 2022.  She is currently the Director, Division of Maternal-Fetal Medicine over at Brown University.