Katherine G. Hayes
( out of 12 reviews )

Katherine G. Hayes, MD, FACOG

Languages spoken: English

Clinical Locations

Primary Location

Primary Children's Hospital

100 N Mario Capecchi Drive
Salt Lake City , UT 84113
801-662-1717
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Dr. Katherine Hayes is a fellowship trained pediatric & adolescent gynecologist. Dr. Hayes completed her Bachelor of Science at the University of Wisconsin-La Crosse and her M.D. at the Medical College of Wisconsin in Milwaukee, WI. She completed her obstetrics & gynecology residency at the San Antonio Uniformed Services Health Education Consortium (Wilford Hall and Brooke Army Medical Center, now San Antonio Military Medical Center). She then served as an active duty Air Force obstetrician/gynecologist for 4 years spending time at Landstuhl Regional Medical Center in Landstuhl, Germany and San Antonio Military Medical Center in San Antonio, TX.

Following her time in the Air Force, Dr. Hayes completed her fellowship in pediatric & adolescent gynecology at Boston Children’s Hospital and Harvard Medical School in Boston, Massachusetts.

Dr. Hayes enjoys caring for all pediatric and adolescent gynecologic conditions including:

  • abnormal bleeding
  • painful periods
  • pelvic pain
  • pediatric vulvar complaints
  • pelvic masses
  • reproductive tract anomalies
  • pediatric endocrine disorders (precocious puberty, delayed puberty, premature ovarian insufficiency, polycystic ovarian syndrome)
  • differences of sexual development/differentiation
  • oncofertility

Her clinical research focuses on improving care for patients born with congenital anomalies of the reproductive tract and complex pelvic malformations, as well as quality improvement in the field of pediatric & adolescent gynecology.

Specialties

Board Certification

American Board of Obstetrics & Gynecology (Minimally Invasive Gynecologic Surgery Focused Practice Designation)
American Board of Obesity Medicine
American Board of Obstetrics & Gynecology (Obstetrics & Gynecology)
American Board of Obstetrics & Gynecology (Pediatric & Adolescent Gynecology Focused Practice Designation)

Patient Rating

5.0 /5
( out of 12 reviews )

The patient rating score is an average of all responses on our patient experience survey. The rating averages scores for all questions about care from our providers. The scale on which responses are measured is 1 to 5 with 5 being the best score.

Aug 28, 2025
UNIVERSITY HOSPITAL

Kind and knowledgeable

Mar 26, 2025
UNIVERSITY HOSPITAL

She is a very good doctor!

Oct 03, 2024
UNIVERSITY HOSPITAL

She only came in to help woth ultrasound but was nice

Jul 23, 2023
UNIVERSITY HOSPITAL

Both Dr. Hayes and Janes were phenominal. Thank you.

Patient comments are gathered from our patient experience survey and displayed in their entirety. For the convenience of our visitors, some patient comments have been translated from their original language into English while preserving their original meaning as accurately as possible. Patients are de-identified for confidentiality and patient privacy.

Dr. Katherine Hayes is a fellowship trained pediatric & adolescent gynecologist. Dr. Hayes completed her Bachelor of Science at the University of Wisconsin-La Crosse and her M.D. at the Medical College of Wisconsin in Milwaukee, WI. She completed her obstetrics & gynecology residency at the San Antonio Uniformed Services Health Education Consortium (Wilford Hall and Brooke Army Medical Center, now San Antonio Military Medical Center). She then served as an active duty Air Force obstetrician/gynecologist for 4 years spending time at Landstuhl Regional Medical Center in Landstuhl, Germany and San Antonio Military Medical Center in San Antonio, TX.

Following her time in the Air Force, Dr. Hayes completed her fellowship in pediatric & adolescent gynecology at Boston Children’s Hospital and Harvard Medical School in Boston, Massachusetts.

Dr. Hayes enjoys caring for all pediatric and adolescent gynecologic conditions including:

  • abnormal bleeding
  • painful periods
  • pelvic pain
  • pediatric vulvar complaints
  • pelvic masses
  • reproductive tract anomalies
  • pediatric endocrine disorders (precocious puberty, delayed puberty, premature ovarian insufficiency, polycystic ovarian syndrome)
  • differences of sexual development/differentiation
  • oncofertility

Her clinical research focuses on improving care for patients born with congenital anomalies of the reproductive tract and complex pelvic malformations, as well as quality improvement in the field of pediatric & adolescent gynecology.

Board Certification and Academic Information

Academic Departments Obstetrics & Gynecology -Associate Professor (Clinical)
Pediatrics -Adjunct Assistant Professor
Academic Divisions General OB/GYN
Board Certification
American Board of Obstetrics & Gynecology (Minimally Invasive Gynecologic Surgery Focused Practice Designation)
American Board of Obesity Medicine
American Board of Obstetrics & Gynecology (Obstetrics & Gynecology)
American Board of Obstetrics & Gynecology (Pediatric & Adolescent Gynecology Focused Practice Designation)

Education history

Undergraduate Biochemistry; Biomedical Biology - University of Wisconsin-La Crosse B.S.
Professional Medical Medicine - Medical College of Wisconsin M.D.
Residency Obstetrics & Gynecology - San Antonio Uniformed Services Health Education Consortium Resident
Residency Obstetrics & Gynecology - San Antonio Uniformed Services Health Education Consortium Administrative Chief Resident
Fellowship Pediatric & Adolescent Gynecology - Boston Children¿s Hospital, Harvard Medical School Fellow
Graduate Training University of Utah MEHP

Selected Publications

Journal Article

  1. Alley AW, Cooper LJ, Humphreys MA, Emery BR, Aston KI, Kastenberg ZJ, Luo MX, Hayes KG, Fair D, Mehrhoff C, Letourneau JM, Childress K (2025). Ex vivo oocyte retrieval for fertility preservation in an adolescent patient with recurrent ovarian dysgerminoma: a case report and review of the literature. F&S reports, 6(2), 208-215.
  2. Collins MM, Ou Z, Millar MM, Kittleson MM, May LJ, Ploutz MS, Molina KM, Hayes KG, Lal A (2022). Attitudes & practices surrounding pregnancy post heart transplant among pediatric providers. The Journal of heart and lung transplantation, 41(11), 1611-1616.
  3. Collins MM, Ou Z, Millar MM, Kittleson MM, May LJ, Ploutz MS, Molina KM, Hayes KG, Lal A (2022). Attitudes & practices surrounding pregnancy post heart transplant among pediatric providers. The Journal of heart and lung transplantation, 41(11), 1611-1616.
  4. Fendereski K (2022). 46 XY undervirulized male DSD: Reporting a patient with prenatally diagnosed disorder/difference of sex development (DSD) with heterozygous LHCGR mutations. Urology case reports, 41,
  5. Millington K, Hayes K, Pilcher S, Roberts S, Vargas SO, French A, Veneris J, O'Neill A (2021). A serous borderline ovarian tumour in a transgender male adolescent. Br J Cancer, 124(3), 567-569.
  6. Hayes KG, French A (2021). Clinicians Practicing Obstetrics and Gynecology are Uniquely Situated to Recognize DICER1 Syndrome. Journal of pediatric and adolescent gynecology, 34(6), 780-782.
  7. Hayes KG, French A (2021). Topical hemostatic agent may be mistaken for ovarian teratoma. Journal of pediatric and adolescent gynecology, 35(4), 512-515.
  8. Fendereski K, Carey J, Timme K, Hayes K, Robnett J, Schaeffer (2021). 46 XY undervirulized male DSD: Reporting a patient with prenatally diagnosed disorder/difference of sex development (DSD) with heterozygous LHCGR mutations. Urology case reports, 41, 101971.
  9. Lipsett SC, Haines L, Monuteaux MC, Hayes K, Michelson KA (2020). Variation in Oophorectomy Rates for Children with Ovarian Torsion across US Children's Hospitals. The Journal of pediatrics, 231, 269-272.
  10. Bannon LC, Hayes KG, Porter K (2015). Percutaneous Drainage of a Rapidly Enlarging Simple Ovarian Cyst in the Third Trimester. Military medicine, 180(10), e1118-20.

Review

  1. van Voorst R.J (2025). Consensus-Based Expert Recommendations for Diagnosis and Clinical Management of Vanishing White Matter. Neurology, 105(11), e214320.