Condition guide
Adenomyosis
Uterine lining tissue grows into the muscular wall of the uterus, causing pain and heavy bleeding.
20–35%
Estimated prevalence
40s
Most common age range
80%
Have heavy menstrual bleeding
What it is
In adenomyosis, endometrial tissue is found within the myometrium (uterine muscle). The uterus often enlarges and becomes tender, and periods are heavy and painful.
Infographic
Tissue in the muscle wall
Lining tissue embeds within the myometrium.
Common symptoms
- Heavy, prolonged periods
- Severe cramping
- Chronic pelvic pain
- Enlarged, tender uterus
- Pain during sex
Causes & risk factors
- Invasive tissue growth into the muscle
- Prior uterine surgery
- Childbirth
- Hormonal factors
Diagnosis
- Transvaginal ultrasound
- MRI for definitive imaging
- Confirmed on histology after hysterectomy
Treatment & management
Anti-inflammatories
NSAIDs to manage pain and reduce bleeding.
Hormonal IUD
A common, effective option to reduce bleeding and pain.
Combined hormonal therapy
Pill, patch or ring to suppress cycles.
Uterine artery embolisation
Reduces blood supply and shrinks affected areas.
Hysterectomy
Definitive treatment for severe cases when family is complete.
When to seek urgent help
Soaking through pads/tampons hourly, dizziness or fainting warrants urgent assessment.
Frequently asked
Is adenomyosis the same as endometriosis?
No. They share some symptoms but adenomyosis is inside the uterine muscle, endometriosis is outside the uterus.
You are not alone
Join the My Gynae community to share experiences, get peer support and learn from women who understand.
Get involved