Uterine Artery Embolization: Preserving Fertility in Obstetric Care

UAE: A Game-Changer in Obstetric Hemorrhage?

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Avery Sinclair in Health & Wellness October 2026 • 4 min read.

"Explore how Uterine Artery Embolization offers a lifeline in high-risk obstetric cases, preserving fertility and minimizing surgical risks."


Obstetric hemorrhage remains a critical concern in modern medicine, demanding innovative and effective management strategies. Traditionally, methods like uterotonic agents have been the first line of defense. However, persistent or severe cases often require surgical intervention, ranging from selective artery embolization to hysterectomy.

Pelvic artery embolization, initially described by Brown et al. in 1979, has gained traction as a fertility-preserving technique. Its primary application has been prophylactic, especially in cases of morbidly adherent placenta. But what about scenarios where surgical options are limited?

This article explores a compelling case where uterine artery embolization (UAE) served as the primary treatment for obstetric hemorrhage in a patient at high risk for postpartum hemorrhage (PPH). With previous surgeries and dense adhesions complicating traditional surgical approaches, UAE emerged as a life-saving alternative. We aim to highlight the benefits of this procedure in terms of reduced surgical blood loss, morbidity, and fertility preservation.

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UAE Success Rates and Outcomes

Prophylactic uterine artery embolization (UAE) has demonstrated a 100% technical and clinical success rate with no life-threatening hemorrhages or hysterectomies in 46 cases, while emergency UAE achieved 100% technical success but controlled bleeding in 89% of cases (16/18). Systematic reviews have explored the relationship between prior UAE for postpartum hemorrhage and subsequent obstetric complications through meta-analysis, and additional research has compared UAE against hysterectomy for acute refractory postpartum hemorrhage control.

CIRSE Standards and Surgical Alternatives

The CIRSE Standards of Practice indicate that uterine rupture and eversion should be treated surgically, though there are no absolute contraindications for obstetric hemorrhage embolization; imaging such as ultrasound, CT, or MR may be helpful prior to catheter angiography in slower bleeds. These standards are described as reasonable approaches and best practices rather than clinical practice guidelines imposing a standard of care. Both UAE and uterine artery ligation (UAL) efficiently block uterine blood flow to stop bleeding, but UAE requires less time than the surgical UAL procedure.

From 1979 to Modern Applications

Angiography and trans-catheter embolization for postpartum hemorrhage were first described in 1979 and represent an effective alternative to hysterectomy, particularly for patients desiring future fertility. Long-term investigations have examined how interrupting uterine blood supply affects subsequent pregnancy, with placental abnormalities proposed as indicators of UAE's global effect on pregnancy outcomes. The procedure has gradually expanded from its initial use in postpartum hemorrhage to treat gynecological conditions including uterine fibroids, adenomyosis, arteriovenous malformations, and ectopic pregnancy.

When Surgery Isn't Enough: The UAE Advantage

Uterine Artery Embolization: Preserving Fertility in Obstetric Care

Consider a 38-year-old female, gravida 3 para 1 living 1 abortion 1, presenting at 38 weeks gestation with complete placenta previa. Her medical history included a prior low segment caesarean section (LSCS) and abdomino-perineal surgery, complicated by dense adhesions. Given these factors, a standard surgical approach posed significant risks.

The patient's history revealed substantial challenges during her previous caesarean section, with dense adhesions between the anterior abdominal wall and uterus. She had also sustained a bladder injury during prior surgery. These complications, coupled with complete placenta previa, made a repeat caesarean section exceptionally risky.

  • Pre-operative Planning: To mitigate potential complications, the medical team planned for a pre-operative uterine artery catheterization.
  • Minimizing Blood Loss: Bilateral uterine artery balloon catheters were placed via a transcutaneous femoral approach under local anesthesia by an interventional radiologist. Spinal anesthesia was then administered, and the caesarean section commenced.
  • Intra-operative Challenges: During the procedure, the bladder was found to be completely adhered to the lower uterine segment, necessitating a careful approach. A low upper segment transverse incision was made through the anterior placenta, and the baby was delivered.
  • UAE Intervention: Immediately after delivery, the uterine artery balloons were inflated, significantly reducing bleeding. Post-operatively, fluoroscopy revealed hyper vascularity near the anterior division of the left sided internal iliac artery, prompting selective embolization of the affected artery.
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Ongoing Research Landscape

Recent literature continues to investigate UAE efficacy, safety profiles, and long-term reproductive outcomes across diverse patient populations and clinical settings. Multiple systematic reviews and meta-analyses are currently evaluating obstetric complications in subsequent pregnancies, comparative effectiveness against alternative interventions, and fertility preservation metrics. The evolving evidence base reflects growing clinical adoption and refinement of patient selection criteria.

Limitations and Concerns

Some clinical scenarios present challenges for UAE, including hemodynamic instability where its use remains controversial and cases of uterine rupture or eversion that require surgical management. Technical failure rates in emergency settings and potential impacts on future fertility and placental implantation have been raised as concerns requiring further study. The procedure's effectiveness may vary based on etiology of hemorrhage and timing of intervention.

UAE Versus Alternative Interventions

Studies have compared UAE outcomes against intrauterine balloon tamponade for persistent postpartum hemorrhage requiring immediate intervention, examining differences in mortality and hospital length of stay. A meta-analysis has also evaluated UAE versus peripartum hysterectomy for acute refractory postpartum hemorrhage control, assessing relative effectiveness in bleeding cessation and uterine preservation. These comparative studies aim to define optimal escalation pathways in hemorrhage management algorithms.

The surgical blood loss was minimal, approximately 800 ml. The patient tolerated the procedure well, and her post-operative recovery was uneventful. She was discharged on day 4 with a stable hemoglobin level. This case underscores the potential of UAE to transform outcomes in high-risk obstetric scenarios.

UAE: A New Standard of Care?

Pelvic artery embolization offers a valuable option for patients at high risk for PPH who desire fertility preservation. In the hands of a skilled interventional radiologist, it can be a procedure of choice, significantly improving maternal outcomes and quality of life. As medical technology advances, embracing these innovative techniques can lead to safer and more effective obstetric care.

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Integrating Evidence into Practice

The collective evidence positions UAE as a valuable minimally invasive option in the postpartum hemorrhage management algorithm, particularly for hemodynamically stable patients where fertility preservation is desired. Expert consensus emphasizes appropriate patient selection, timely intervention, and multidisciplinary coordination between obstetrics and interventional radiology. Ongoing refinement of protocols continues to balance efficacy with long-term reproductive safety.

Fertility and Long-term Outcomes

Current research is actively evaluating future fertility after UAE for both postpartum and post-abortion hemorrhage, including pregnancy rates, time to conception, and fertility-related complications. A 2024 meta-analysis specifically examined these outcomes following UAE for symptomatic fibroids, while other studies assess clinical efficacy and safety for acute hemorrhage management. The impact of UAE on subsequent placental development and pregnancy outcomes remains a key area of investigation.

Access and Stability Considerations

Pelvic artery embolization has demonstrated effectiveness and safety for treating postpartum hemorrhage in hemodynamically stable patients, but its application in unstable patients remains controversial and requires careful risk-benefit assessment. Systemic challenges include ensuring 24/7 interventional radiology availability, standardized protocols across institutions, and appropriate triage criteria to identify candidates most likely to benefit from minimally invasive approaches versus those requiring immediate surgical intervention.

Patient-Centered Outcomes

Case-control studies have evaluated long-term gynecological, reproductive, and sexual outcomes after UAE for postpartum hemorrhage, providing insight into quality of life beyond acute hemorrhage control. With postpartum hemorrhage remaining a leading cause of maternal morbidity and mortality in the United States, UAE's ability to preserve the uterus offers a critical alternative to hysterectomy for women who wish to maintain fertility. These human-centered outcomes underscore the procedure's value beyond immediate hemostasis.

How reported embolization outcomes compare

  • 99.28% (276/278) and 88.13% (245/278) percentAcross four studies, pooled technical success was 99.28% (276/278), while clinical success was 88.13% (245/278); the measures therefore describe different outcomes.[1]

What this case adds to the evidence

The report describes embolization as the primary treatment in a high-risk case where the authors say surgical management would not have been possible. It illustrates a use beyond the limited modern obstetric applications described in the paper, but a case report cannot establish how often this approach succeeds across patients.[2]

The paper presents reduced blood loss, morbidity, and fertility preservation as benefits it aims to highlight, rather than outcomes established here for a broader population. Its claim of efficacy is best read alongside the limited evidence base noted in practice standards.[2] [3]

How the case relates to broader embolization evidence

The case report frames embolization as a primary option in a situation where surgery was not feasible, whereas pooled studies and reviews describe outcomes across larger groups and differing clinical settings.[1] [2] [4]

The standards characterize arterial embolization as safe and effective while acknowledging that randomized evidence is lacking and the evidence level is limited.[3]

Questions the case leaves open

  • How consistently would embolization control hemorrhage when clinical complications include unstable hemodynamics, uterine atony, or bleeding from an artery other than the one blocked?[1] [3]

Sources

  1. The Emergent Pelvic Artery Embolization in the Management of Postpartum Hemorrhage: A Systematic Review and Meta-analysis (pmc.ncbi.nlm.nih.gov)
  2. Uterine artery embolization: the only life saving measure in some obstetric cases (Medip Academy, 2015)
  3. CIRSE standards of practice on gynaecological and obstetric haemorrhage - PMC Lock (pmc.ncbi.nlm.nih.gov)
  4. Results - Management of Postpartum Hemorrhage - NCBI BookshelfTwitterFacebookLinkedInGitHubNCBI Insights BlogTwitterFacebookYoutube (www.ncbi.nlm.nih.gov)

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

This article is based on research published under:

DOI-LINK: 10.18203/2320-1770.ijrcog20151327, Alternate LINK

Title: Uterine Artery Embolization: The Only Life Saving Measure In Some Obstetric Cases

Subject: General Medicine

Journal: International Journal of Reproduction, Contraception, Obstetrics and Gynecology

Publisher: Medip Academy

Authors: Asha Gokhale, Latika Chawla, Shridhar Khajindar

Published: 2015-01-01

Everything You Need To Know

1

What is Uterine Artery Embolization (UAE) and how does it help in obstetric hemorrhage?

Uterine Artery Embolization (UAE) is a minimally invasive procedure used to control obstetric hemorrhage, particularly in high-risk cases. It involves an interventional radiologist inserting a catheter through the femoral artery to the uterine arteries. Small particles are then released to block the blood flow to the uterus, thereby stopping the bleeding. This technique is especially beneficial when traditional methods like uterotonic agents fail or when surgical interventions pose high risks. UAE helps preserve fertility by avoiding more invasive procedures like hysterectomy, and it minimizes surgical blood loss and morbidity, leading to improved maternal outcomes.

2

In what kind of obstetric scenarios is UAE considered a preferable treatment option?

UAE is often considered in high-risk obstetric scenarios where there is a significant risk of postpartum hemorrhage (PPH). This includes cases involving morbidly adherent placenta, previous surgeries, dense adhesions, or complete placenta previa, where traditional surgical approaches might be exceptionally risky. For example, in the presented case, the patient had a history of prior surgeries and adhesions, making a repeat caesarean section high-risk. In such situations, UAE offers a less invasive alternative to hysterectomy, with a focus on preserving fertility.

3

How does UAE compare to traditional treatments like uterotonic agents or surgical interventions?

Traditional first-line treatments for obstetric hemorrhage typically involve uterotonic agents to contract the uterus and reduce bleeding. When these are insufficient, surgical interventions, ranging from selective artery embolization to hysterectomy, may be necessary. UAE distinguishes itself by being a less invasive option than surgery, especially in complex cases. It offers the advantage of preserving fertility while effectively controlling bleeding. Unlike hysterectomy, which permanently ends fertility, UAE allows for the possibility of future pregnancies, making it a preferred choice for patients who wish to have more children and when surgical options are limited.

4

What were the specific steps taken during the UAE procedure in the case presented, and what challenges were encountered?

In the described case, a 38-year-old patient underwent a pre-operative uterine artery catheterization. Bilateral uterine artery balloon catheters were placed via a transcutaneous femoral approach under local anesthesia by an interventional radiologist. During the caesarean section, the bladder was found adhered to the lower uterine segment. After the delivery, the uterine artery balloons were inflated, significantly reducing bleeding. Subsequently, fluoroscopy revealed hyper vascularity near the anterior division of the left-sided internal iliac artery, prompting selective embolization of the affected artery. The challenges included dense adhesions from prior surgeries and a bladder injury, which was carefully managed during the procedure.

5

What are the potential benefits and outcomes associated with using UAE in obstetric emergencies?

The primary benefits of UAE in obstetric emergencies include reduced surgical blood loss, lower morbidity rates, and the preservation of fertility. In the described case, the patient experienced minimal blood loss, and her post-operative recovery was uneventful. By avoiding more invasive surgical interventions such as hysterectomy, UAE enables patients to maintain their fertility. It can significantly improve maternal outcomes, allowing for a quicker recovery and a better quality of life. Moreover, in the hands of a skilled interventional radiologist, UAE can be a safer and more effective approach compared to traditional surgical methods, especially in high-risk situations.

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