While it’s theoretically possible for endometrial tissue to be transferred from one individual to another during sexual intercourse, the likelihood of this scenario occurring and resulting in the transmission of endometriosis is extremely low. Here are a few points to consider:

1. Rare Occurrence: The transfer of endometrial tissue from one woman to another, either directly or indirectly through a male partner, is a highly uncommon occurrence. While it’s theoretically possible for endometrial cells to be present in menstrual blood or tissue remnants on the penis following intercourse with a woman with endometriosis, the likelihood of these cells successfully implanting and establishing endometriotic lesions in another individual’s body is very low.
2. Host Factors: Even if endometrial cells were transferred to another woman’s body, several factors would influence whether these cells could develop into endometriotic lesions. These factors include the recipient’s hormonal environment, immune response, genetic predisposition, and anatomical factors within the pelvic cavity.
3. Clinical Evidence: To date, there is limited clinical evidence to support the direct transmission of endometriosis between sexual partners. While cases of ectopic endometriosis in men have been reported, these occurrences are rare and typically follow surgical procedures involving the transplantation of endometrial tissue rather than sexual contact.
4. Risk Mitigation: Practicing safe sex, including the use of barrier methods such as condoms, can help reduce the risk of sexually transmitted infections and minimize the potential transfer of bodily fluids or tissue remnants during intercourse.

While it’s important to acknowledge the theoretical possibility of endometrial tissue transfer during sexual activity, the actual risk of transmitting endometriosis between individuals through this route is considered extremely low. Healthcare providers and individuals should focus on evidence-based approaches to managing endometriosis, including early diagnosis, symptom management, and targeted treatment strategies, rather than overly emphasizing rare or hypothetical modes of transmission

Verified by: Dr.Diab (March 28, 2024)

Citation: Dr.Diab. (March 28, 2024). Can endometrial tissue spread from one individual to another during sex. Medcoi Journal of Medicine, 3(2). urn:medcoi:article32661.