Abstract
ObjectiveTo assess the response to superovulation for in vitro fertilization (IVF) in patients with unilateral endometriomas with diameter ≥5cm and in the contralateral healthy ovary. Study designThis retrospective analysis of a prospectively collected database included patients who underwent superovulation for IVF/ICSI cycles and had unoperated single unilateral endometrioma with diameter ≥5cm and healthy contralateral ovary. The primary outcome of the study was to compare the number of oocyte retrieved in the ovary with the endometrioma and the contralateral healthy ovary. ResultsThe total number of follicles was lower in ovaries with endometriomas (2.6±1.3) than in healthy ovaries (4.8±2.0; p<0.001). The number of codominant follicles and the total number of oocytes retrieved were lower in ovaries with endometriomas (1.5±0.9 and 2.0±1.2) than in the contralateral ovaries (3.7±1.5 and 4.2±1.7; p<0.001, respectively). The number of oocytes retrieved suitable for fertilization was lower in ovaries with endometriomas (1.5±1.1) than in the healthy ovaries (3.3±1.5; p<0.001). The total number of oocytes retrieved and the number of oocytes retrieved suitable for fertilization were lower in ovaries with endometriomas respectively in 21 (80.8%) and in 20 (76.9%) cases. The decreased responsiveness to ovarian superovulation was confirmed considering women with ultrasonographic diagnosis of deep infiltrating endometriosis. 30.8% of patients had positive HCG; the pregnancy rate was 23.1%. ConclusionThe presence of large endometriomas (≥5cm) at time of IVF significantly decreases the number of oocyte retrieved compared with the contralateral healthy ovaries.
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More From: European Journal of Obstetrics & Gynecology and Reproductive Biology
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