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. 2025 Mar 12;29(1):145-149.
doi: 10.5935/1518-0557.20240090.

The endometrioma paradox

João Antonio Dias Jr  1 , Carlos Roberto Izzo  1 , Georges Fassolas  1 , Luiz Fernando de Oliveira Henrique  1 , Gustavo Arantes Rosa Maciel  1 , Sérgio Podgaec  2 , Luciana Carvalho Delamuta  1
Affiliations

The endometrioma paradox

João Antonio Dias Jr et al. JBRA Assist Reprod. .

Abstract

Endometriosis is a chronic disease that affects around 10% of reproductive age women worldwide and a common cause of infertility. One of its manifestations is ovarian endometriomas, which are present in 17-44% of endometriosis patients. Endometriomas can impair fertility by mechanical stretching and local inflammation, promoting oxidative stress in the surrounding ovarian cortex that could lead to apoptosis and necrosis of early follicles. The removal of endometriomas may improve spontaneous pregnancy rates, as already demonstrated by some studies. To reduce endometriomas recurrence, it is advised to perform cystectomy followed by hormonal suppression. However, this approach is unfeasible in patients desiring pregnancy. At the same time, cystectomy poses a threat to ovarian reserve and, therefore, to controlled ovarian stimulation. Women who have endometriomas surgically removed are at risk to have diminished response to ovarian stimulation if in vitro fertilization is needed in the future.

Keywords: endometrioma; in vitro fertilization; infertility; spontaneous pregnancy; surgery.

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