Fibroids can be shrunk through medications, minimally invasive procedures, or surgical options, depending on their size, location, and how much they’re affecting your life. No single approach works for everyone, and the right choice depends on whether you want temporary relief, permanent removal, or something in between. The good news is that the range of effective options has expanded significantly, and most don’t require a hysterectomy.
Why Fibroids Grow and What Makes Them Shrink
Fibroids are fueled primarily by two hormones: estrogen and progesterone. Progesterone plays a particularly active role. It drives fibroid cells to multiply, suppresses the natural cell death that would keep them in check, stimulates blood vessel growth to feed the tumor, and increases collagen production that adds to the fibroid’s bulk. Estrogen works alongside progesterone to maintain this growth cycle.
This hormonal dependence is actually useful, because nearly every treatment for shrinking fibroids works by interrupting it. Medications lower hormone levels or block their receptors. Procedures cut off blood supply or destroy tissue directly. And menopause, when hormone production drops naturally, causes fibroids to shrink on their own. Understanding this mechanism helps explain why certain treatments work and why fibroids sometimes grow back once treatment stops.
Medications That Reduce Fibroid Size
GnRH Agonists
GnRH agonists (like leuprolide, sold as Lupron) work by initially overstimulating the brain’s hormone-signaling system until it essentially shuts down, dramatically reducing estrogen and progesterone production. They can shrink fibroids substantially within a few months, but they create a temporary menopause-like state with hot flashes, bone density loss, and mood changes. For this reason, they’re typically used short-term, often to shrink fibroids before surgery rather than as a standalone solution. One important detail: they cause a brief hormonal “flare” in the first few weeks, which can temporarily worsen symptoms before improvement begins.
GnRH Antagonists
Newer oral GnRH antagonists avoid that initial flare. They block hormone receptors directly, producing a rapid drop in estrogen levels without the weeks-long ramp-up period. Clinical trials across five studies showed a moderate reduction in fibroid volume compared to placebo, with a mean decrease of about 27 cubic centimeters. Combination products pair a GnRH antagonist with low-dose hormones to reduce side effects like hot flashes and bone loss, making longer-term use more feasible. These are available as daily pills, which many people prefer over injections.
What to Expect From Medication
Medications can meaningfully reduce fibroid size and improve symptoms like heavy bleeding, but they’re rarely permanent solutions on their own. Fibroids typically regrow once you stop taking them. That said, medications can buy time if you’re approaching menopause, provide relief while you decide on a procedure, or shrink fibroids enough to make a less invasive surgery possible.
Uterine Artery Embolization
Uterine artery embolization (UAE) is a minimally invasive procedure where a radiologist threads a thin catheter through a small incision in the wrist or groin and injects tiny particles into the arteries feeding the fibroid. This cuts off its blood supply, causing it to shrink over the following months.
The results are significant. Fibroid volume drops by a median of about 50% within three months. By six months, studies report reductions in the range of 44% to 59%. At one year, shrinkage can reach roughly 67%. Recovery typically takes one to two weeks, considerably shorter than traditional surgery. The procedure treats all fibroids in the uterus at once, which is an advantage if you have multiple fibroids. Most people experience cramping and pain for the first few days as the fibroids lose their blood supply, but this is manageable with medication.
Radiofrequency Ablation
Radiofrequency ablation (sometimes called the Acessa procedure) uses heat delivered through a needle-like probe to destroy fibroid tissue from the inside. A small camera guides the probe to each fibroid individually. The treated tissue is gradually reabsorbed by the body over the following months.
Clinical trial data shows uterine volume decreases of about 20% at three months and 26% to 29% at twelve months. Those numbers may sound modest compared to embolization, but the symptom improvement tells a more compelling story. In one trial, symptom severity scores dropped by 56.5% at twelve months, and quality-of-life scores more than doubled. The procedure is typically done as an outpatient surgery with recovery taking about a week. It preserves the uterus and surrounding tissue, which may matter if you’re considering pregnancy.
MRI-Guided Focused Ultrasound
This completely noninvasive option uses focused sound waves to heat and destroy fibroid tissue while you lie inside an MRI scanner. There are no incisions, no needles entering the uterus, and recovery is often just a day or two.
The key factor determining success is how much of the fibroid gets treated in a single session. When the destroyed tissue reaches more than 80% of the fibroid’s volume, clinical success rates exceed 80%. About 22% of patients in one study experienced spontaneous expulsion of the treated fibroid, which correlated strongly with good outcomes. The reintervention rate sits around 13% over roughly 19 months of follow-up, meaning most people don’t need a second treatment. Not all fibroids are good candidates for this approach. Location, size, and the number of fibroids all affect whether focused ultrasound is feasible.
Surgical Options
Myomectomy removes fibroids while leaving the uterus intact. It can be done through small incisions (laparoscopically), through the vagina and cervix (hysteroscopically, for fibroids that bulge into the uterine cavity), or through a larger abdominal incision for very large or numerous fibroids. Myomectomy offers the most complete removal, but fibroids can grow back, with recurrence rates varying by how many fibroids were present originally.
Hysterectomy, the removal of the uterus, is the only option that guarantees fibroids won’t return. It’s a definitive solution, but it’s also irreversible and ends the possibility of pregnancy. Many people now pursue one of the less invasive options first, reserving hysterectomy for cases where other treatments haven’t provided adequate relief.
Vitamin D and Fibroid Growth
Vitamin D deficiency is common in people with fibroids, and correcting it appears to have a direct effect on fibroid size. In a clinical trial, women with vitamin D deficiency who took supplements for 10 weeks saw their fibroids shrink by an average of about 7 millimeters, while the placebo group’s fibroids grew slightly. The treatment group’s vitamin D blood levels rose from deficient to a healthy 36 ng/ml.
This doesn’t mean vitamin D supplements will dramatically shrink large fibroids, but maintaining adequate levels may slow growth and complement other treatments. If you haven’t had your vitamin D levels checked, it’s a reasonable place to start, especially since deficiency is independently harmful for bone health and immune function.
Green Tea Extract
A compound found in green tea has shown enough promise in early research to warrant a large, ongoing clinical trial. The trial is testing 1,650 mg of green tea extract daily (of which about 45% is the active compound) to evaluate its effect on fibroid volume and related fertility outcomes. Results from earlier, smaller studies suggested the extract could reduce fibroid size and improve symptoms, but the evidence isn’t yet strong enough to make firm recommendations. Drinking green tea alone wouldn’t deliver therapeutic doses of the active compound.
What Happens at Menopause
If you’re approaching menopause, time itself may be your ally. A 10-year study tracking 97 women found that fibroids shrink fastest in the first two years after menopause, then continue shrinking more slowly over the following eight years. Body weight matters: women with a BMI under 25 saw a 25% shrinkage rate over the decade compared to 15.7% in women with higher BMIs. This difference likely reflects the fact that fat tissue continues producing small amounts of estrogen even after the ovaries stop.
The number of fibroids also makes a difference. Women with a single fibroid experienced a 26.3% reduction over 10 years, while those with four or more fibroids saw only 15.2% shrinkage. Women with fewer fibroids also showed a more pronounced early shrinkage phase, while those with many fibroids shrank at a steadier, slower pace throughout the decade.
Tracking Your Progress
If you’re actively treating fibroids, MRI is the most accurate way to measure changes in volume over time. It captures three-dimensional measurements and can distinguish between different types of tissue within the fibroid. Ultrasound is more accessible and less expensive, and it’s adequate for initial diagnosis and general monitoring, but MRI gives a more precise picture of how much a fibroid has actually changed. If you’ve had a procedure like embolization or focused ultrasound, your doctor will likely use contrast-enhanced MRI to assess how much tissue was effectively treated.
Choosing the Right Approach
Your best option depends on a few practical factors: how severe your symptoms are, whether you want to preserve fertility, how close you are to menopause, and your tolerance for different types of recovery. Medications work well as a bridge, buying time or shrinking fibroids before a procedure. UAE and radiofrequency ablation offer strong results with shorter recovery times than surgery. Focused ultrasound is the least invasive but has more limitations on which fibroids it can treat. Myomectomy provides the most thorough removal while keeping the uterus intact.
For many people, the most effective strategy combines approaches. Correcting a vitamin D deficiency, starting medication to control symptoms, and then pursuing a procedure if needed gives you both immediate relief and a longer-term solution. The size and location of your fibroids, which imaging can clarify, will narrow down which procedures are realistic options.