Endometriosis Infertility

14.05.2026 Prof. Dr. Cihan Kaya

Causes of Infertility in Endometriosis – Comprehensive Guide

The Relationship Between Endometriosis and Infertility

Endometriosis is a disease strongly associated with infertility. Approximately 30-50% of patients may experience difficulty achieving pregnancy.

Anatomical Abnormalities

Pelvic adhesions can disrupt the anatomy of the fallopian tubes and ovaries, preventing the meeting of egg and sperm.

Fallopian Tube Dysfunction

Even if the fallopian tubes are open, their movement and function can be impaired. This negatively affects fertilization.

Impact on Egg Quality

Endometriomas and inflammation can reduce oocyte quality and affect embryo development.

Decreased Ovarian Reserve

Endometriosis, and especially surgical interventions, can reduce ovarian reserve.

Inflammation and the Immune System

Pelvic inflammation and increased cytokines can negatively affect fertilization and embryo implantation.

Impact on Sperm Function

Changes in pelvic fluid in patients with endometriosis can impair sperm function.

Endometrial (Uterine) Involvement

The implantation environment can be disrupted, making embryo attachment difficult.

Hormonal Imbalances

Estrogen-progesterone imbalance can affect ovulation and the luteal phase.

Infertility in Minimal Disease

Even without anatomical abnormalities, microscopic inflammation and immune factors can lead to infertility.

Conclusion

Infertility in endometriosis is a multifactorial process. Different mechanisms may play a role in each patient, and treatment should be individualized.

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