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Reproductive Endocrinology and Infertility Fellowships doctor works in lab

The Johns Hopkins REI Fellowship program is proud to offer two ACGME approved fellowship programs: the REI Fellowship Program and the REI-Medical Genetics Combined Fellowship training program. Our fellowship programs provide fellows with balanced clinical, surgical and research training experience to prepare them for a successful academic career in reproductive endocrinology and infertility.




Application Process 

Application to both the Reproductive Endocrinology and Infertility Fellowship Training Program and the REI-Genetics Combined Fellowship* should be done via ERAS (There is only 1 application for both programs). The components of the application are set by ERAS.

  • Requirements

    ABOG eligibility and a state medical license are REQUIRED.

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  • How to Apply

    Please submit three letters of recommendation via ERAS, one of which must be from your current Program Director or Department Chair.

    Once your application is submitted, please email ONE PDF document to include all your CREOG scores to

    *If you are interested in applying for the REI-Genetics Combined Fellowship, in addition to completing the ERAS application, you must indicate your interest by e-mailing Jennifer Lake at

    Applications will be reviewed by faculty members from both REI and Medical Genetics training programs. Selected applicants will be invited for an interview. Additional information on Board requirements for combined training in REI and medical genetics can be found at ABOG and ABMGG websites.

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  • Deadlines for 2022

    Application Deadline: May 2, 2022 (1PM EST)

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Curriculum Details

    • Number of first year positions for REI Fellowship: 1
    • Number of first year positions for the REI-Genetics Combined Fellowship: 1 (offered every other year on odd years - e.g. 2023, 2025, 2027, etc.)
  • 3 years for the standard program or 4 with the added genetics component.

    REI Fellowship Program

    The REI Fellowship program is a three-year training program:

    • Year 1 – Clinical REI
    • Year 2* – 6 months - Clinical REI / 6 months - Research
    • Year 3* – 6 months – Research / 6 months Elective (optional) or Research

    *For 12 consecutive months during the second/third year of fellowship, REI fellow will have continuity clinic evaluating and treating their own infertility/endocrine patients under faculty supervision.

    REI-Genetics Combined Fellowship Program

    The REI-Genetics program is a four-year training program:

    • Year 1 – Clinical REI
    • Year 2 – Clinical Genetics
    • Year 3 *– 6 months of Clinical Genetics / 6 months of REI Research
    • Year 4 *– REI Research

    *For 12 consecutive months during the third/fourth year of fellowship, REI-Genetics fellow will have continuity clinic evaluating and treating their own infertility/endocrine patients under faculty supervision.

    First year salary: Estimated $69,600

  • Note: You are being directed to an outside website for informational purposes only. Johns Hopkins is not responsible for any aspect of the external website.

  • For more information or if you have questions regarding the application process, please contact:

    Jennifer Lake, Program Coordinator
    Phone: (410) 583-2750, Fax: (410) 583-2767, Email:

    Mailing Address:

    The Johns Hopkins University
    Department of OB/GYN
    Division of Reproductive Endocrinology and Infertility

    10751 Falls Road
    Falls Concourse
    Suite 280
    Lutherville, MD 21093



Program Leadership

Chantel Cross, M.D. - Program Director and Jennifer Lake - Program Coordinator



Jennifer Lake

Program Coordinator

Phone: (410) 583-2750

Fax: (410) 583-2767




Current Fellows

  • Lucy Chen, M.D.

    Third Year Fellow - REI/GEN

    Lucy Chen
  • Susan Nasab, M.D.

    Third Year Fellow - REI

    Susan Nasab
  • Megan Gornet, M.D.

    Second Year Fellow - REI

    Megan Gornet
  • Anita Madison, M.D.

    First Year Fellow - REI/GEN

    Anita Madison
  • Kathryn Schmiech, M.D.

    First Year Fellow - REI

    Kathryn Schmiech

Fellowship History

  1. 1939 (Location): Georgeanna Seegar Jones Establishes Reproductive Endocrinology

    The first Division of Reproductive Endocrinology was established at The Johns Hopkins Medical Institutions by Dr. Georgeanna Seegar Jones in 1939. Dr. Georgeanna Jones became the first full-time gynecological endocrinologist at a medical school. Dr. Howard W. Jones, Jr., one of the foremost pelvic surgeons of his generation, established an international reputation in reparative and reconstructive surgery of the female genital tract. Dr. Howard W. Jones, Jr.'s skill in surgery and Dr. Georgeanna Seegar Jones' expertise in endocrinology made them a highly respected, well-rounded team that worked closely with residents and fellows to provide an expanding knowledge of endocrinology before a formalized sub-specialty training program in this area was established by the American Board of Obstetrics and Gynecology.

  2. 1973 (Document): A Fellowship Training Program is Formalized

    A formalized training program in Reproductive Endocrinology, approved by the American Board of Obstetrics and Gynecology, was begun at Hopkins in 1973 and Dr. Anne Wentz was the first individual to receive this fellowship training. When Drs. Georgeanna and Howard Jones moved to Norfolk, Virginia to join the Eastern Virginia Medical School a Board-approved program in Reproductive Endocrinology was absent from Hopkins from 1978-80.

  3. 1981 (Milestone): Reproductive Endocrinology Evolves at Hopkins

    In 1981 a new Board-approved program in Reproductive Endocrinology was begun at Hopkins under the Directorship of Dr. John Rock who remained in this position until he resigned in 1991 to become Chairman of the Department of Obstetrics and Gynecology at Union Memorial Hospital in Baltimore, Maryland.

  4. 1991 (Document): A New Fellowship Director

     Dr. Howard A. Zacur served as the director of the fellowship program from 1991-2021.

  5. 2021 (Document): Chantel Cross Takes On Leadership

    Dr. Chantel Cross, a graduate of the JHH REI Fellowship program, assumed the Directorship of the fellowship program in June of 2021. Since 1981, there have been more than 60 graduates of the Hopkins REI Fellowship Program, 18 of which have become division chiefs, 7 OB/GYN Department Chairs, 2 medical school deans, and 2 chancellors.

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