Abstract
Assisted reproductive technology is a widely accepted treatment for infertile women with endometriosis. The presence of an ovarian endometrial cyst reduces the quality of oocytes, while surgical resection of endometrioma may reduce the ovarian reserve for ovarian stimulation by exogenous gonadotropins. To determine what pretreatment should be performed for ovarian endometrial cyst before IVF-ET, we analyzed IVF outcomes with or without pretreatment in patients with endometrioma. Infertile women with endometrioma who underwent IVF-ET were divided into 3 groups, including patients who had received laparotomy or laparoscopy, patients for whom the endometrioma content had been aspirated and treated with or without alcohol fixation, and patients who did not undergo pretreatment. The number of retrieved oocytes, rate of mature oocytes, and fertilization rate were compared among groups. The results showed that pretreatment for endometrioma reduces the number of retrieved oocytes. Although oocyte quality as a rate of mature oocytes was not affected by the presence of an ovarian endometrial cyst, the fertilization rate was improved by cyst aspiration. We propose that surgical pretreatment is not necessary for ovarian endometrial cyst before IVF-ET, but cyst aspiration may be beneficial after several failed attempts of IVF.
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