The opioid system in endometriosis: implications for endometrial receptivity and reproductive outcomes - Takeaways - MDSpire

The opioid system in endometriosis: implications for endometrial receptivity and reproductive outcomes

  • By

  • Estibaliz Olabarrieta

  • Lide Totorikaguena

  • Sara Alonso-Fernández

  • Ekaitz Agirregoitia

  • Naiara Agirregoitia

  • June 29, 2026

  • 0 min

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  • 1

    Endometriosis affects 10–15% of women of reproductive age and is a leading cause of female subfertility.

  • 2

    Current treatments often fail to address underlying reproductive dysfunction and may not be compatible with pregnancy.

  • 3

    The opioid system may play a role in regulating endometrial function and reproductive health beyond pain management.

  • 4

    Endometriotic lesions evade clearance through reduced apoptosis and enhanced angiogenesis, driven by various molecular factors.

  • 5

    The relationship between endometriosis and infertility is well-established, particularly in advanced cases with pelvic distortion.

Original Source(s)

The opioid system in endometriosis: implications for endometrial receptivity and reproductive outcomes

  • by Estibaliz Olabarrieta, Lide Totorikaguena, Sara Alonso-Fernández, Ekaitz Agirregoitia, Naiara Agirregoitia

  • June 29, 2026

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