OBGYN PFRG Group

Pelvic Floor Research Group

The Pelvic Floor Research Group (PFRG) is an internationally recognized, interdisciplinary research group working to improve the understanding and treatment of pelvic floor disorders. Our goal is to identify risk factors for developing pelvic floor disorders, work with high-risk women to prevent them, and provide the most effective and newest treatments for pelvic floor dysfunction.

For More Information

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Innovation through Collaboration

$32M
NIH Funding
350+
Pelvic Floor Research Publications
1,900
Images in MRI Repository

30 Years of Research Excellence

PFRG has been an international leader in pelvic floor research for over three decades. Our award-winning research focuses on pelvic organ prolapse, urinary incontinence, birth injury, and fecal incontinence.

The Pelvic Floor Research Group publishes groundbreaking research discoveries in high-impact journals featuring collaborations with colleagues in biomechanical engineering, nursing, urology, and other gynecologic specialties.

Discover the latest research—click on the investigator names below to explore their recent publications!

Recent Publications

View a list of peer-reviewed publications from the Pelvic Floor Research Group.

Pelvic Floor Research Group photo at research day

Pelvic Floor Research Day

Our Annual Pelvic Floor Research Day brings together interdisciplinary experts from across the University and beyond to discuss current and future pioneering research.

  • Learn about Pelvic Floor Research Group Day 2026
  • speaker at palmer commons on research day

    Urogynecology & Pelvic Reconstructive Surgery Fellowship

    Learn more about the Department of Obstetrics and Gynecology fellowship in Urogynecology & Pelvic Reconstructive Surgery.

  • Fellowship Information
  • Discover More About Our Research Group

    The PFRG team consists of an interdisciplinary set of investigators from the School of Medicine, Engineering, Nursing, Public Health, Institute for Research on Women and Gender, Institute for Social Research, and Institute for Gerontology.

    The Pelvic Floor Research Group is led by a team of researchers with diverse expertise, including gynecologists, urologists, colorectal surgeons, biomechanical engineers, nurse researchers, nurse midwives, social scientists, cell biologists, epidemiologists, anatomists, anthropologists, and statisticians who are dedicated to improving the prevention and treatment of women's pelvic floor disorders.

    Our strategy has been to use the multifaceted approaches from these many disciplines to see fresh approaches to long-standing problems, and to design hypothesis-driven research to answer questions of direct importance to improving prevention and treatment.

    Our group has led the transformation of Urogynecology from an empirical to a scientific approach.

    John O. DeLancey, MD
    Program Co-Director

    Leadership

     John O De Lancey, MD

    John O DeLancey, MD

    Norman F Miller Legacy Professor of Gynecology
    Professor of Obstetrics and Gynecology
    Professor of Urology
    Medical School
    Janis M. Miller

    Janis M Miller

    Professor Emerita of Nursing, School of Nursing
    Research Professor Emerita, Obstetrics and Gynecology, Medical School
    James Ashton-Miller, Michigan Medicine

    James A. Ashton-Miller, PhD

    Research Professor

    Investigators

    Mary F. Ackenbom

    Mary Fleming Ackenbom, MD, MSc

    Clinical Associate Professor of Obstetrics and Gynecology
    Medical School
    labcoat

    Luyun Chen, PhD

    Associate Research Scientist, Obstetrics and Gynecology, Medical School
    Associate Research Scientist, Biomedical Engineering, College of Engineering
    profile-pamela-fairchild-2023

    Pamela S Fairchild, MD

    Clinical Associate Professor of Obstetrics and Gynecology
    Program Director, Female Pelvic Medicine and Reconstructive Surgery Fellowship
    Medical School
    Dee E. Fenner

    Dee E Fenner, MD

    Bates Professor of Diseases of Women and Children
    Chair, Department of Obstetrics and Gynecology
    Professor of Obstetrics and Gynecology and Professor of Urology
    Medical School
    J B. Fowlkes

    J Brian Fowlkes, PhD

    Professor of Radiology
    Professor of Biomedical Engineering
    Medical School
    Christopher X. Hong

    Christopher X Hong

    Clinical Assistant Professor of Obstetrics and Gynecology
    Medical School
    Kourosh Kalayeh

    Kourosh Kalayeh, PhD

    Research Investigator, Radiology
    Research Investigator, Urology
    Medical School
    Jenny Lacross PFRG

    Jenny LaCross PT, DPT, PhD, ATC, CLT

    Certified Clinical Specialist in Women's Health Physical Therapy 
    Lisa Kane K. Low

    Lisa Kane Low, PhD, CNM

    Carolyn M Sampselle Collegiate Professor of Nursing
    Senior Associate Dean for Professional Graduate Studies and Professional Relations
    Professor of Nursing, School of Nursing
    Professor of Women's and Gender Studies, College of Literature, Science, and the Arts
    Professor of Obstetrics and Gynecology, Medical School
    Mariana Masteling

    Mariana Masteling, PhD

    Research Fellow
    University of Michigan
    profile-daniel-morgan-2018

    Daniel M Morgan, MD

    Clinical Professor of Obstetrics and Gynecology
    Clinical Professor of Urology
    Medical School
    profile-megan-schimpf-2023

    Megan O Schimpf, MD, MHSA, FACOG

    Clinical Professor of Obstetrics and Gynecology
    Clinical Professor of Urology and Medical Director, UMMG
    Medical School
    headshot of  Payton Schmidt

    Payton C Schmidt, MD

    Clinical Assistant Professor of Obstetrics and Gynecology
    Medical School

    Research Staff

    Sarah Block

    Sarah Block, BGS

    Sarah Richardson

    Sarah Richardson, BS