Dr. Irene Souter, MD

Concierge Reproductive Endocrinology and Infertility, Boston, MA

Massachusetts General Hospital Fertility Center

5.0 (3 reviews)

Dr. Irene Souter is a fertility specialist at the Massachusetts General Hospital Fertility Center in Boston, Massachusetts, board certified in Obstetrics and Gynecology and Reproductive Endocrinology/Infertility.

55 Fruit St, Boston, MA 02114

At a glance

Board certified

Obstetrics and Gynecology

Licensed in

Telehealth

Offers virtual visits

Languages

Spanish, Greek and French and English

Facts on this page last checked September 2026. How we check doctors

About Dr. Souter

Irene Souter, MD is a fertility specialist at the Massachusetts General Hospital Fertility Center in Boston, Massachusetts. She is board certified in Obstetrics and Gynecology and, as a subspecialty, in Reproductive Endocrinology and Infertility, both through the American Board of Obstetrics and Gynecology. She earned her medical degree from the University of Athens School of Medicine in Greece in 1990, then completed OB/GYN training in Los Angeles and a Reproductive Endocrinology and Infertility fellowship at UCLA Medical Center.

Dr. Souter is an Associate Professor of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School. She serves as Associate Director of the MGH Reproductive Endocrinology and Infertility Fellowship Program. Her clinical practice treats couples with female and male infertility, offering fertility treatments including in vitro fertilization, egg freezing, gamete donation, and care for conditions such as polycystic ovary syndrome and recurrent pregnancy loss. She speaks Spanish, Greek and French in addition to English.

Dr. Souter has been named a Castle Connolly Top Doctor since 2024, listed among Castle Connolly's "Exceptional Women in Medicine" for 2025-2026, and featured in Boston Magazine's 2025-2026 regional Top Doctors guide. She received the European Society of Human Reproduction and Embryology's 2014 Clinical Science Award for a poster on hair mercury concentrations and ovarian reserve, and the Hellenic Medical Society of New York honored her as a Distinguished Physician in December 2025. She has co-authored at least 139 PubMed-indexed research papers.

Membership and fees

Fees are not published. Ask the practice.

Services

Couples with female and male infertility

What reproductive endocrinology and infertility doctors commonly treat

Education and credentials

Education

Medical degree, University of Athens School of Medicine in Greece, 1990

Residency

Completed an OB/GYN internship (1996), an earlier OB/GYN fellowship (1995) and OB/GYN residency (2000) at Los Angeles County/University of Southern California Women's Hospital, then a Reproductive Endocrinology and Infertility fellowship at UCLA Medical Center in 2003

Residency

Before her U.S. training, completed general-surgery residencies at Baragwanath Hospital in South Africa (1994) and Hippokration General Hospital in Greece (1993), plus an internship at Vardakion and Proion General Hospital of Syros, Greece, as an external rotation while affiliated with UCLA (1992)

Board certified

Obstetrics and Gynecology and, as a subspecialty, in Reproductive Endocrinology/Infertility, both through the American Board of Obstetrics and Gynecology

License

Massachusetts 221561 Verify with the Massachusetts Board of Registration in Medicine

NPI

1184680811

Location

55 Fruit St, Boston, MA 02114

Massachusetts General Hospital Fertility Center practice page

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Recognition and research

Awards

Named a Castle Connolly Top Doctor since 2024, listed among Castle Connolly's 'Exceptional Women in Medicine' for 2025-2026, and featured in Boston Magazine's 2025-2026 regional Top Doctors guide.

Received the European Society of Human Reproduction and Embryology's (ESHRE) 2014 Clinical Science Award for poster presentation, for research on hair mercury concentrations and ovarian reserve parameters in women undergoing fertility treatments, presented at ESHRE's 2014 annual meeting in Munich.

Honored as a Distinguished Physician by the Hellenic Medical Society of New York at its 89th Annual Scholarship Gala in December 2025, recognized alongside another Harvard Medical School faculty member as a leading figure in American academic medicine for her contributions to assisted reproduction.

Publications

Has co-authored at least 139 research papers indexed in PubMed, the U.S. National Library of Medicine database.

Was senior author of "Placental pathology and weight following Intrauterine Insemination (IUI) with or without ovarian stimulation (OS)", published in Placenta in 2026.

Was senior author of "The impact of supraphysiologic estradiol levels on placental pathology among in vitro fertilization-conceived singleton livebirths after fresh embryo transfer", published in Fertility and Sterility in 2026.

Was lead author of "Balanced chromosomal rearrangements and carrier status detection: the slippery slope of the quest for perfection", published in Fertility and Sterility in 2025.

Was senior author of "Trophectoderm grade as a predictor of beta human-chorionic gonadotropin rise in early pregnancy", published in Journal of Assisted Reproduction and Genetics in 2024.

Was senior author of "The impact of clomiphene citrate on the endometrium in comparison to gonadotropins in intrauterine insemination cycles: is it thinner and does it matter?", published in Frontiers in Endocrinology in 2024.

Teaching and research roles

Associate Professor of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School.

Serves as Associate Director of the MGH Reproductive Endocrinology and Infertility (REI) Fellowship Program and is a member of the MGH REI Academic Faculty, with a focus on teaching and mentoring OB/GYN residents and fellows.

Directs the Massachusetts General Hospital Preimplantation Genetic Diagnosis (PGD) Program.

Clinical research focuses on outcomes of ovulation-induction treatments, the effects of the environment on reproductive health, and preimplantation genetic diagnosis, and she is active in the American Society for Reproductive Medicine and the European Society for Human Reproduction and Embryology.

Patient reviews

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Write a review

Rated 5 out of 5

I was a patient of Dr. Seuter for almost three years

"I was a patient of Dr. Seuter for almost three years, and she guided me through three rounds of IVF. I couldn't be happier with her care. Dr. Souter listened closely to my worries from the start, cared about my goals, and assisted us in having a successful pregnancy."

FMDD UserApr 2022

Rated 5 out of 5

We will absolutely return to her

"Dr. Souter was fantastic. She was honest with us about the treatment plan she prescribed, which worked on the first round. We will absolutely return to her for care if the need arises."

FMDD UserMar 2022

Rated 5 out of 5

We had a great time with her.

"Dr. Souter has extensive experience. She and her colleagues are really responsive and helpful. We had a great time with her."

FMDD UserMar 2022

Questions patients ask

Is Dr. Souter board certified?

Yes. Dr. Souter is board certified in Obstetrics and Gynecology and, as a subspecialty, in Reproductive Endocrinology/Infertility, both through the American Board of Obstetrics and Gynecology.

Where did Dr. Souter train?

Dr. Souter earned her medical degree from the University of Athens School of Medicine in Greece in 1990. Dr. Souter completed an OB/GYN internship (1996), an earlier OB/GYN fellowship (1995) and OB/GYN residency (2000) at Los Angeles County/University of Southern California Women's Hospital, then a Reproductive Endocrinology and Infertility fellowship at UCLA Medical Center in 2003.