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PubMed This is a summary of 11 peer-reviewed journal articles Updated
Gynecology

Navigating Kidney & Bone Health in MRKH Type 2

At a Glance

MRKH Type 2 involves congenital differences in the kidneys, spine, and hearing, often called the MURCS association. Patients should receive baseline imaging and blood tests upon diagnosis to proactively manage kidney function and skeletal health with a multidisciplinary medical team.

While the primary feature of MRKH is the absence of the uterus and upper vagina, MRKH Type 2 includes differences in other parts of the body [1][2]. Doctors often refer to this as the MURCS association, which is an acronym highlighting the most common areas affected: Müllerian (reproductive), Renal (kidney), and Cervical Somite (spine) [3][4].

Knowing about these extra-genital differences early is empowering. It allows you and your medical team to monitor your health proactively, ensuring that these variations are managed well from the start.

Renal (Kidney) Health

Kidney variations occur in approximately 30-40% of people with MRKH Type 2 [5]. These differences happen because the kidneys and the reproductive tract develop from the same tissue layers during early embryonic growth [2].

Common variations include:

  • Unilateral Renal Agenesis: Being born with only one functioning kidney [5][6].
  • Ectopic (Pelvic) Kidney: A kidney that is located lower in the body, such as in the pelvis, rather than in the upper abdomen [5].
  • Horseshoe Kidney: Both kidneys are fused together at the bottom, forming a U-shape [5].

What this means for you: Most people with a single or misplaced kidney live perfectly healthy lives with normal kidney function [6]. However, because you have less “backup,” it is important to protect your kidney health by monitoring your blood pressure and checking for protein in your urine annually [6].

Skeletal (Spine) Health

Skeletal differences in MRKH Type 2 most commonly affect the vertebrae (the bones of your spine) [7][8].

Common variations include:

  • Vertebral Fusions: Two or more bones in the spine are joined together, most often in the neck area (known as Klippel-Feil anomaly) [7][4].
  • Scoliosis: A curve in the spine that may develop as you grow [8][7].

What this means for you: Many spinal variations do not cause symptoms. However, fusions in the neck can sometimes limit how far you can turn your head, and significant curves in the spine may require physical therapy or monitoring by an orthopedic specialist to ensure they don’t affect your posture or comfort [7][4].

Essential Screening Checklist

Because these variations are not always visible from the outside, all patients with MRKH—especially Type 2—should have a baseline set of screenings upon diagnosis [9][2]:

  1. Renal Ultrasound or MRI: To confirm the number and location of your kidneys [2][1].
  2. Spinal Imaging (X-ray or MRI): To check for fusions or curvature, particularly in the cervical (neck) and thoracic (chest) regions [2][4].
  3. Audiogram (Hearing Test): Some people with Type 2 have minor hearing differences that are not immediately obvious [10].
  4. Blood Pressure and Urine Test: To establish a baseline for your kidney health [6].
  5. Cardiac Screen (As Indicated): While rare, some doctors may recommend an echocardiogram (ultrasound of the heart) based on symptoms or the presence of other severe MURCS anomalies [11][10].

Long-Term Outlook

Living with MRKH Type 2 means being an active partner in your health. While these extra-genital differences require a bit more attention, they generally do not prevent you from participating in sports, traveling, or pursuing your goals. Regular check-ups with a multidisciplinary team—which might include a gynecologist, a kidney specialist (nephrologist), and a bone specialist (orthopedist)—ensure that any issues are caught and managed early [9][1].

Common questions in this guide

What is the MURCS association in MRKH Type 2?
MURCS is an acronym used by doctors to describe the most common areas affected by MRKH Type 2. It stands for Müllerian (reproductive), Renal (kidney), and Cervical Somite (spine) differences.
How common are kidney problems with MRKH Type 2?
Kidney variations occur in about 30% to 40% of people with MRKH Type 2. Common differences include having only one functioning kidney, a misplaced kidney in the pelvis, or kidneys fused together at the bottom.
What kind of spinal differences can happen with MRKH Type 2?
The most frequent skeletal differences are vertebral fusions in the neck, known as Klippel-Feil anomaly, and scoliosis, which is a curvature of the spine that can develop as you grow.
What health screenings do I need if I have MRKH Type 2?
You should have a renal ultrasound or MRI, spinal imaging to check for fusions or curves, a hearing test, and baseline blood pressure and urine tests to monitor your kidney function.
Can I live a normal life with only one kidney?
Yes. Most people with a single or misplaced kidney live healthy lives with normal kidney function. It is important to protect your kidney health by monitoring your blood pressure and checking your urine for protein every year.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What specific renal findings were identified on my ultrasound or MRI?
  2. 2.Does my spinal imaging show any signs of vertebral fusion or scoliosis that need monitoring?
  3. 3.Because I have a solitary kidney, what specific lifestyle changes or routine tests (like blood pressure checks) do you recommend?
  4. 4.Should we schedule an audiogram to check for hearing differences, even if I haven't noticed any?
  5. 5.Are there any symptoms, like back pain or urinary changes, that I should be particularly watchful for?

Questions For You

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References

References (11)
  1. 1

    Mayer-Rokitansky-Küster-Hauser syndrome with inguinal hernia, left renal fusion, and malrotation: a rare case.

    Li C, Yang H, Xiao H, Yan J

    Therapeutic advances in urology 2025; (17()):17562872251398912 doi:10.1177/17562872251398912.

    PMID: 41328177
  2. 2

    Mayer-Rokitansky-Kuster-Hauser Syndrome: From Radiological Diagnosis to Further Challenges-Review and Update.

    Schiau C, Csutak C, Ciurea AI, et al.

    Diagnostics (Basel, Switzerland) 2026; (16(1)) doi:10.3390/diagnostics16010138.

    PMID: 41515635
  3. 3

    Mayer-Rokitansky-Küster-Hauser Syndrome with a Solitary Duplex Kidney and Anal Stenosis: Report of a Rare Case.

    Bi Y, Zhang KN, Li ML

    Journal of pediatric and adolescent gynecology 2021; (34(1)):77-79 doi:10.1016/j.jpag.2020.05.008.

    PMID: 32561448
  4. 4

    Mayer-Rokitansky-Kuster-Hauser syndrome.

    Novoa CCT, Leite MTC, Sartori MGF

    Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia 2025; (47()) doi:10.61622/rbgo/2025FPS4.

    PMID: 40406045
  5. 5

    Zinner and Mayer-Rokitansky-Küster-Hauser syndromes: when unilateral renal agenesis meets genital anomalies.

    Briosa F, Valsassina R, Mira C, Zagalo A

    BMJ case reports 2019; (12(5)) doi:10.1136/bcr-2018-229034.

    PMID: 31061196
  6. 6

    Living-Donor Kidney Transplant in a Patient With Type B Mayer-Rokitansky-Küster-Hauser Syndrome, Reconstructed Vagina, and Abnormal Pelvic Vessels: A Case Report.

    Campise M, Ferraresso M, Favi E, et al.

    Experimental and clinical transplantation : official journal of the Middle East Society for Organ Transplantation 2019; (17(2)):266-268 doi:10.6002/ect.2016.0220.

    PMID: 28540840
  7. 7

    Paraparesis and congenital severe hyperkyphosis in Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome: A rare deformity management during the Sars-Cov-2 pandemic.

    La Maida GA, Della Valle A, Gallazzi E, et al.

    Brain & spine 2023; (3()):101753 doi:10.1016/j.bas.2023.101753.

    PMID: 37197562
  8. 8

    Clinical characteristics of 1,055 Chinese patients with Mayer-Rokitansky-Küster-Hauser syndrome: a nationwide multicentric study.

    Chen N, Pan H, Luo G, et al.

    Fertility and sterility 2021; (116(2)):558-565 doi:10.1016/j.fertnstert.2021.02.033.

    PMID: 33745726
  9. 9

    ACOG Committee Opinion No. 728: Müllerian Agenesis: Diagnosis, Management, And Treatment.

    Obstetrics and gynecology 2018; (131(1)):e35-e42 doi:10.1097/AOG.0000000000002458.

    PMID: 29266078
  10. 10

    Vertebral defect, anal atresia, cardiac defect, tracheoesophageal fistula/esophageal atresia, renal defect, and limb defect association with Mayer-Rokitansky-Küster-Hauser syndrome in co-occurrence: two case reports and a review of the literature.

    Bjørsum-Meyer T, Herlin M, Qvist N, Petersen MB

    Journal of medical case reports 2016; (10(1)):374 doi:10.1186/s13256-016-1127-9.

    PMID: 28003020
  11. 11

    Mayer-Rokitansky-Kuster-Hauser Syndrome: A Unique Case Presentation.

    Nguyen BT, Dengler KL, Saunders RD

    Military medicine 2018; (183(5-6)):e266-e269 doi:10.1093/milmed/usx066.

    PMID: 29415121

This page provides educational information about extra-genital differences in MRKH Type 2. Always consult your multidisciplinary healthcare team for personalized screening recommendations and medical care.

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