Uterine fibroids affect 70 to 80% of women by age 50, but the outcomes vary sharply once symptoms start. For submucosal fibroids, infertility risk rises 1.7 times, and miscarriage rates run 14 to 33% higher when fibroids are present. This article maps the numbers behind diagnosis and complications to explain why some people get timely care while others face longer delays.
Key Takeaways
- Infertility risk increases 1.7x with submucosal fibroids
- Transvaginal ultrasound detects 90-99% of fibroids >1cm
- Uterine fibroids affect 70-80% of all women by age 50
- Age >45 associated with 2.1x risk of fibroid development
- Heavy menstrual bleeding affects 30-50% of women with fibroids
- Hysterectomy is performed in 99.5% cure rate for symptoms
Most women will experience fibroids, with symptoms often emerging in adulthood and affecting quality of life.
Related reading
01 · Category
Complications10 stats
01
Infertility risk increases 1.7x with submucosal fibroids
02
Miscarriage rate 14-33% higher with fibroids present
03
Preterm labor risk OR 1.7 in women with fibroids
04
Placental abruption 2-fold increase with large fibroids
05
Postpartum hemorrhage risk 47% higher
06
Leiomyosarcoma risk 1 in 350-500 for rapidly growing
07
Acute torsion of pedunculated fibroid in 1-5% symptomatic
08
Anemia requiring transfusion in 5-10% severe menorrhagia
09
Uterine sarcoma misdiagnosis post-morcellation 1:498
10
Endometrial cancer risk slightly elevated OR 1.6 with fibroids
Interpretation
Complications Interpretation
For the Complications angle, fibroids substantially raise adverse pregnancy outcomes, with risks such as a 1.7 times higher preterm labor odds and up to a 47% higher postpartum hemorrhage risk, plus notable increases in miscarriage and abruption.
02 · Category
Diagnosis15 stats
01
Transvaginal ultrasound detects 90-99% of fibroids >1cm
02
MRI sensitivity for fibroid mapping is 99%, specificity 88%
03
Saline infusion sonohysterography improves submucosal detection to 95%
04
Hysteroscopy visualizes 100% of intrauterine fibroids
05
Fibroid vascularity assessed by Doppler US in 85% accuracy for type
06
CT scan detects calcified fibroids with 70% sensitivity
07
Biopsy confirms leiomyosarcoma in <0.5% of presumed fibroids
08
Uterine volume measurement via US averages 75cc normal, 200cc+ fibroid
09
FIGO classification used in 92% of modern studies for fibroid typing
10
3D ultrasound volume calculation error <5% vs MRI
11
Endometrial biopsy indicated in 40% of AUB with fibroids
12
Diffusion-weighted MRI distinguishes adenomyosis from fibroids 85%
13
Contrast-enhanced US perfusion maps fibroids in 80% pre-UAE
14
Pelvic exam detects >5cm fibroids in 60% of cases
15
Serum LDH elevated >2x in 30% of rapidly growing fibroids
Interpretation
Diagnosis Interpretation
For the diagnosis of fibroids, imaging accuracy is highest with procedures like hysteroscopy and MRI, while noninvasive options also perform strongly since transvaginal ultrasound detects 90 to 99% of fibroids over 1 cm and sonohysterography improves submucosal detection to 95%.
03 · Category
Epidemiology20 stats
01
Uterine fibroids affect 70-80% of all women by age 50
02
African American women have a 3-fold higher incidence of uterine fibroids compared to Caucasian women
03
Prevalence of fibroids increases with age, peaking at 40-49 years with 60% detection rate via ultrasound
04
In a study of 1,368 women, 41% had fibroids detected by transvaginal ultrasound regardless of symptoms
05
Fibroid prevalence in hysterectomy specimens is 77% for women over 40
06
Globally, symptomatic fibroids affect 20-40% of reproductive-age women
07
In the US, fibroids lead to 200,000 hysterectomies annually
08
Black women develop fibroids 2 years earlier on average than white women
09
Fibroid incidence is 2.4 times higher in obese women (BMI >30)
10
In a Korean cohort, fibroid prevalence was 18.9% in women aged 30-39
11
Submucosal fibroids are found in 5-10% of infertile women
12
Lifetime risk of fibroids is 70% for white women and 80% for black women
13
Fibroids contribute to 30% of infertility cases in women over 35
14
In Japan, ultrasound screening showed 24.1% prevalence in women 35-49 years
15
Fibroid-related hospitalizations in the US: 140,000 per year
16
Prevalence of multiple fibroids (>1) is 85% in symptomatic patients
17
Fibroids detected in 51% of premenopausal women via MRI
18
Annual healthcare cost for fibroids in US exceeds $34 billion
19
Fibroid growth rate averages 1.3 cm/year in premenopausal women
20
Regression post-menopause occurs in 50-70% of cases
Interpretation
Epidemiology Interpretation
From an epidemiology perspective, uterine fibroids are extremely common and increase with age, affecting about 70 to 80% of women by age 50 and peaking at 40 to 49 years where detection reaches around 60% on ultrasound.
More related reading
04 · Category
Risk Factors14 stats
01
Age >45 associated with 2.1x risk of fibroid development
02
African ancestry increases odds ratio 2.9 for fibroids
03
Nulliparity raises risk by 30-50% compared to parous women
04
Obesity (BMI>30) OR 1.98 for fibroid incidence
05
Early menarche (<11 years) increases risk 1.5-fold
06
Family history doubles the risk (OR 2.0)
07
Hypertension associated with 20-30% higher prevalence
08
Vitamin D deficiency (<20 ng/ml) OR 2.36 in black women
09
High pork consumption linked to 60% increased risk
10
Smoking reduces risk by 20-30% (protective)
11
Diabetes mellitus OR 1.28 for fibroid presence
12
Caffeine intake >200mg/day OR 1.2 for growth
13
Estrogen-only HRT increases risk 1.3-fold post-menopause
14
Red meat intake >1 serving/day OR 1.9
Interpretation
Risk Factors Interpretation
For the risk factors category, the strongest pattern is that several nonmodifiable and lifestyle related factors nearly double or more the likelihood of fibroid development, such as African ancestry with an odds ratio of 2.9, family history doubling the risk with an OR of 2.0, and age over 45 raising risk by 2.1 times.
05 · Category
Symptoms15 stats
01
Heavy menstrual bleeding affects 30-50% of women with fibroids
02
Pelvic pain or pressure reported by 40% of symptomatic fibroid patients
03
Menorrhagia duration increases by 2-3 days in 60% of fibroid cases
04
Urinary frequency due to bladder compression in 25-30% of women with large fibroids
05
Dyspareunia (painful intercourse) in 20-40% of women with posterior fibroids
06
Acute pain from fibroid degeneration occurs in 10-30% of pregnancies
07
Constipation or bowel obstruction symptoms in 5-10% with broad ligament fibroids
08
Fatigue from anemia affects 25% of women with heavy bleeding fibroids
09
Lower back pain reported in 33% of women with fibroids >5cm
10
Leg pain from vein compression in 15% of pedunculated fibroids cases
11
Bulk symptoms (fullness) in 50% of women with volume >500cc
12
Postcoital bleeding in 5% associated with submucosal fibroids
13
Iron deficiency anemia in 20-30% of untreated menorrhagia cases
14
Increased urinary urgency in 28% per UFS-QOL score studies
15
Abdominal distension visible in 10% with fibroids >10cm
Interpretation
Symptoms Interpretation
In the Symptoms category, heavy menstrual bleeding stands out as the most common issue affecting 30 to 50 percent of women with fibroids, often paired with other complaints like pelvic pressure in about 40 percent and urinary frequency in 25 to 30 percent.
06 · Category
Treatment14 stats
01
Hysterectomy is performed in 99.5% cure rate for symptoms
02
Myomectomy preserves fertility in 75% of women post-procedure
03
Uterine artery embolization (UAE) reduces volume by 40-60% at 3 months
04
GnRH agonists shrink fibroids 30-50% in 3 months use
05
MRI-guided focused ultrasound (MRgFUS) ablates 50-70% nonperfused volume
06
Levonorgestrel IUS reduces bleeding by 70-90% in 6 months
07
Tranexamic acid decreases blood loss by 40% during menses
08
Endometrial ablation success 80% for submucosal fibroids <3cm
09
Ulipristal acetate reduces volume 20-40% after 3 months
10
Laparoscopic myomectomy recurrence rate 15% at 5 years
11
Radiofrequency ablation (Acessa) symptom relief in 85% at 1 year
12
Combined oral contraceptives control bleeding in 50% mild cases
13
Hysteroscopic resection complication rate <5% for type 0/1 fibroids
14
Pregnancy rate post-UAE 30-40% in women <40
Interpretation
Treatment Interpretation
Across fibroid treatment options, the most striking trend is that therapies can meaningfully control symptoms or shrink fibroids within months, such as hysterectomy achieving a 99.5% symptom cure rate and uterine artery embolization cutting fibroid volume by 40 to 60% at 3 months.
report visual · Breakdown
Fibroids: Impact on fertility, pregnancy & bleeding
Certain fibroid types are linked with higher infertility and pregnancy risks, and fibroids are also associated with increased bleeding and related complications.
95%
Saline infusion sonohysterography improves submucosal detection to 95%
5%
3D ultrasound volume calculation error <5% vs MRI
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Priyanka Sharma. (2026, February 13). Fibroid Statistics. Gitnux. https://gitnux.org/fibroid-statistics
MLA
Priyanka Sharma. "Fibroid Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/fibroid-statistics.
Chicago
Priyanka Sharma. 2026. "Fibroid Statistics." Gitnux. https://gitnux.org/fibroid-statistics.
Sources & references
16 datasets cited across this report · attribution is report-level