Adenomyosis and IVF: When It Matters and How Treatment Is Tailored
Key Takeaways
Adenomyosis may be associated with lower implantation or live-birth rates and a higher miscarriage risk in some IVF patients, although its effect varies considerably. Management is individualized according to age, symptoms, imaging findings, ovarian reserve, previous treatment outcomes, and embryo availability. Hormonal suppression, delayed frozen embryo transfer, or—less commonly—fertility-sparing surgery may be considered, but no single strategy has been proven best for every patient.
Key evidence: SOGC Guideline No. 437 — diagnosis and management of adenomyosis Pados 2023 — adenomyosis and infertility literature review González-Comadran 2025 — GnRH agonists before transfer in adenomyosis
On this page
- How adenomyosis may affect IVF
- How it is diagnosed
- Treatment options before IVF
- What patients should know
- FAQ
- Clinical note
- Sources
Adenomyosis means that tissue similar to the uterine lining is found within the muscle of the uterus. Clinical guidance explains how it is diagnosed and managed. Some patients have no symptoms. Others have heavy bleeding, painful periods, pelvic pressure, or infertility.
For IVF planning, the key question is whether adenomyosis may affect implantation, miscarriage risk, or the uterine environment.
Video by Dr. Senai Aksoy
(Note: this video was recorded in French. English audio dubbing and subtitles are available — select your preferred audio track and subtitles in the YouTube player settings.)
How Adenomyosis May Affect IVF
The effect of adenomyosis varies with its extent and the patient’s symptoms. In some women, it is found by chance on a scan. In others, it is associated with lower implantation rates, higher miscarriage risk, or changes in the uterine environment.
Key biological mechanisms include:
- Inflammation: A long-lasting inflammatory response within the uterine muscle.
- Muscle contractions: Changes in uterine contractions may affect embryo positioning.
- Receptivity: The uterine lining may be less ready for embryo attachment.
- Anatomy: The normal border between the uterine lining and muscle may be disrupted.
Disease severity and location play a central role. Diffuse adenomyosis involves larger areas of the uterine wall, while focal adenomyosis is localized. Research results vary because outcomes depend on how adenomyosis is diagnosed, disease severity, maternal age, coexisting endometriosis, and embryo quality.
How It Is Diagnosed
Imaging helps map the condition before IVF treatment begins.
Primary diagnostic tools include:
- Transvaginal Ultrasound: First-line imaging to detect wall thickening, asymmetry, and cystic changes.
- Pelvic MRI: Used when ultrasound is uncertain, detailed mapping is needed, or coexisting conditions like fibroids are suspected.
Imaging shows whether adenomyosis is focal or diffuse. It can also show changes in the uterine cavity, fibroids, or endometriosis. Treatment planning is not based on imaging alone.
Treatment Options Before IVF
Pretreatment decisions depend on patient age, symptoms, ovarian reserve, and embryo availability.
Hormonal Pretreatment
Hormonal suppression temporarily lowers adenomyosis activity before embryo transfer.
- GnRH Agonists: Used for 1 to 3 months before transfer to reduce inflammation and uterine volume. However, evidence remains mixed regarding whether live-birth rates increase for all patients.
- Progestins (e.g., Dienogest): Effective for pain and symptom control, but evidence supporting improved IVF outcomes is limited.
Frozen Embryo Transfer Planning
Separating egg retrieval from embryo transfer is a common clinical strategy.
- Eggs are retrieved and fertilized.
- High-quality embryos are frozen.
- Transfer is scheduled after uterine preparation or suppression.
This approach gives time for pretreatment, though it is not necessary for every patient.
Surgery in Selected Cases
Fertility-sparing surgery is reserved for severe focal cases when medical management fails.
- Focal excision: Operative removal of localized adenomyotic tissue.
- Key risks: Surgery may weaken the uterine wall and requires specialist care to manage future pregnancy risks and delivery mode.
Cavity distortion alone does not justify surgery. Submucosal fibroids or polyps must be ruled out first.
What Patients Should Know
Adenomyosis does not mean IVF will fail; it means treatment requires careful individualization.
Key factors evaluated during consultation:
- Implantation risk: Is adenomyosis significantly altering the uterine cavity or endometrium?
- Symptom severity: Are pain or bleeding severe enough to warrant 1–3 months of hormonal suppression?
- Coexisting conditions: Are fibroids, endometriosis, or polyps also present?
- Transfer timing: Should fresh transfer proceed, or is a frozen transfer protocol safer?
There is no single protocol for every patient. If you are travelling for IVF in Turkey, discuss pretreatment and transfer timing before arranging the trip.
FAQ
Does adenomyosis always lower IVF success?
No. Some patients with adenomyosis still do well, especially when the disease is mild or incidental on imaging. It becomes more important when symptoms are significant, the uterus is enlarged or imaging findings are extensive, or implantation failure is a concern.
Is surgery always needed before IVF?
No. Surgery is not routine for every patient with adenomyosis. Many patients are managed with hormonal pretreatment, frozen embryo transfer planning, or close monitoring instead of surgery.
Why do some clinics delay transfer after egg collection?
When pretreatment or further uterine assessment is planned, some clinics prefer to create and freeze embryos first and perform the transfer later. This separates ovarian stimulation from embryo transfer and allows time for the planned treatment or reassessment, although it has not been proven beneficial for every patient with adenomyosis.
What tests help evaluate adenomyosis?
Transvaginal ultrasound and pelvic MRI are the main imaging tools. They help map the extent of the disease, estimate uterine volume, and check if the uterine cavity is distorted.
Does adenomyosis increase the risk of miscarriage?
Observational studies associate adenomyosis with a higher risk of miscarriage and certain pregnancy complications. The absolute risk for an individual patient remains difficult to predict and is also influenced by age, embryo chromosomal status, other uterine conditions, and general obstetric factors.
What should I prepare before a consultation?
Bring copies of prior ultrasounds, MRI reports, details of previous IVF cycles, and records of symptoms such as pain, bleeding, or previous transfer outcomes.
Clinical Note
Adenomyosis is not a single uniform condition, and its clinical impact varies widely.
When planning IVF, I never rely solely on an ultrasound or MRI report. We evaluate symptoms such as pain and heavy bleeding, uterine wall thickness, and cavity distortion.
In selected patients, temporary hormonal suppression followed by frozen embryo transfer can be considered. This approach provides time to reassess symptoms before transfer.
However, pretreatment does not improve live-birth rates for every patient. The decision must be individualized rather than applied routinely.
Dr. Senai Aksoy
Sources
- Guideline No. 437. Diagnosis and Management of Adenomyosis.
- Pados G et al. Adenomyosis and infertility: a literature review.
- González-Comadran M et al. Utility of GnRH agonists before embryo transfer in women with adenomyosis: a systematic review and meta-analysis.
- Steinmann M et al. GnRH agonist pretreatment prior to frozen embryo transfer in women with adenomyosis: a systematic review and meta-analysis.
- Higgins C et al. Interrogating the relationship between adenomyosis and reproductive outcomes.
- Moawad G et al. Effects of pretreatment strategies on fertility outcomes in patients with adenomyosis.
- Moawad G et al. Adenomyosis and infertility.
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The content has been created by Dr. Senai Aksoy and medically approved.