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Medically Reviewed By:

2026-05-01

  • Condition
  • Venous
  • Severity: Routine

Pelvic Congestion Syndrome

Also Known As: PCS
Pelvic congestion syndrome (PCS) is a chronic pain condition caused by varicose veins within the pelvis — ovarian veins and pelvic veins that have become enlarged, twisted, and incompetent, allowing blood to pool in the pelvic region. It is one of the most underdiagnosed causes of chronic pelvic pain in women of reproductive age and is estimated to account for 30–40% of chronic pelvic pain cases.

What Causes Pelvic Congestion Syndrome?

PCS develops when the valves in the ovarian veins fail, allowing blood to reflux downward and pool in the pelvic venous plexus. Multiple pregnancies are the most significant risk factor — the increased blood volume and hormonal changes of pregnancy stretch and weaken the vein walls over time. May-Thurner syndrome (iliac vein compression) is also an important contributing cause, as it increases pelvic venous pressure.

Pelvic Congestion Syndrome Symptoms

The defining symptom is a dull, aching, or pressure-type pelvic pain that worsens over the course of the day, with prolonged standing, after sexual intercourse, or around menstruation. The pain typically improves when lying down — a hallmark feature that helps distinguish PCS from other causes of pelvic pain. Associated symptoms include varicose veins of the vulva, inner thighs, or buttocks, leg heaviness and swelling, bladder urgency, and irregular menstruation.

Diagnosing PCS in Sarasota & Bradenton

Diagnosis requires a high index of suspicion because pelvic varicose veins are not visible on standard examination. Transvaginal ultrasound and CT or MRI pelvic venography are used to identify ovarian vein reflux and pelvic varices. In equivocal cases, catheter-based venography at the time of potential treatment provides the most complete picture.

Pelvic Congestion Syndrome Treatment

The primary treatment for pelvic congestion syndrome is ovarian vein ablation — an endovascular procedure in which the incompetent ovarian vein is closed using a catheter and sclerosing agent or coils delivered under fluoroscopic guidance. Closing the source of reflux eliminates the pressure driving the pelvic varices. Associated iliac vein compression (May-Thurner syndrome) is treated with venous stenting if identified. Most patients experience significant or complete pain relief within 4–6 weeks of treatment.

SYMPTOMS

  • Chronic pelvic pain lasting more than 6 months
  • Pain that worsens after prolonged standing, walking, or intercourse
  • Pelvic fullness, pressure, or heaviness
  • Varicose veins on the inner thighs, vulva, or buttocks
  • Dysmenorrhea (painful periods)
  • Urgency or frequency of urination

DIAGNOSIS METHODS

  • Pelvic Venous Duplex Ultrasound +

    First-line imaging to assess ovarian and pelvic vein flow patterns.

  • CT/MRI Venography +

    Defines anatomy for treatment planning and rules out other pelvic pathology.

  • Diagnostic Ovarian Vein Venography +

    Gold-standard diagnostic and therapeutic procedure — confirms diagnosis and allows simultaneous embolization treatment.

TREATMENTS

RELATED CONDITIONS

FREQUENTLY ASKED QUESTIONS

  • Is pelvic congestion syndrome a psychological condition? +

    No. PCS is a vascular condition with an identifiable anatomical cause — incompetent pelvic veins and elevated venous pressure. Because it primarily affects women and is often invisible on routine imaging, it has historically been dismissed or misattributed to psychological causes. Proper vascular evaluation identifies the source.

  • How long does pelvic congestion syndrome treatment take to work? +

    Most patients notice improvement within 2–4 weeks of ovarian vein ablation. Maximum symptom relief is typically achieved by 4–6 weeks. Some patients require a second procedure to treat residual varicosities.

  • Can pelvic congestion syndrome come back after treatment? +

    Recurrence is possible if additional incompetent veins are not treated or if underlying iliac vein compression goes unaddressed. A comprehensive evaluation ensures all contributing vessels are treated.