Reviewed by: Dr. Priyadatt Patel, Senior Gynecologist · Advanced Laparoscopic Surgeon · IVF and Endometriosis Programme Lead. Last updated: 26 May 2026.
Endometriosis · Endometrioma
Endometrioma Treatment (Chocolate Cyst)
Endometriomas (ovarian endometriotic cysts, “chocolate cysts”) affect up to 50 percent of women with endometriosis. Treatment is individualised by size, symptoms, fertility goals, and ovarian reserve.
Diagnosis
Ultrasound features
Classic endometrioma appearance on ultrasound: ground-glass internal echoes, unilocular cyst, often bilateral, may have papillary projections. MRI for complex cases. Confirmation by biopsy at surgery.
Treatment decisions
Surgery vs observation vs aspiration
Small asymptomatic endometriomas – observation or hormonal management. Larger or symptomatic – surgical excision with ovarian reserve consideration. Aspiration alone has high recurrence. Cystectomy preserves more ovarian function than oophorectomy.
Fertility impact
Balancing surgery and reserve
Endometriomas reduce ovarian reserve modestly. Surgery further reduces it (estimated 10-20 percent AMH drop). For fertility cases with bilateral endometriomas, careful decisions about whether and how to operate are crucial.
Common questions
Frequently asked
Should I remove my endometrioma before IVF?
Large (over 4-5 cm), bilateral, or symptomatic – usually yes. Smaller asymptomatic – often no, going straight to IVF preserves ovarian reserve.
Will the endometrioma come back after surgery?
Recurrence rates of 15-25 percent at 2-5 years. Postoperative hormonal management reduces recurrence.
Can endometriomas cause infertility?
Yes, through ovarian reserve reduction and pelvic distortion. Treatment decisions balance fertility benefit against surgical morbidity.
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Dr. Priyadatt Patel
Senior Gynecologist · Advanced Laparoscopic Surgeon · IVF and Endometriosis Programme Lead
MS OBGyn · Pregnancy Care · Advanced Gynaecological Ultrasound · Fertility Preservation
ESHRE / ESGE / AAGL / ASRM guideline-aligned practice. 3D Karl Storz precision technique. Fertility-preservation-first philosophy. Evidence-based decisions, honest counselling, long-term outcomes orientation.
Endometriosis
Superficial to deep infiltrating, fertility-preserving excision
IVF & Fertility
Individualised protocols, ART Level 2 lab, transparent outcomes
Advanced Laparoscopy
3D Karl Storz precision, nerve-sparing technique
Pregnancy Care
Antenatal care, high-risk pregnancy, advanced ultrasound
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