Reproductive Outcomes of Segmented In Vitro Fertilization in Patients Diagnosed with Endometriomas

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This study investigated the pregnancy and live birth rates of patients with endometriomas undergoing segmented in vitro fertilization protocols.

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Abstract

STUDY OBJECTIVE: To assess the impact of ovarian endometriomas on endometrial receptivity in frozen embryo transfer (FET) of segmented in vitro fertilization (IVF) cycles. DESIGN: Retrospective, matched-control study (Canadian Task Force classification II-2). SETTING: A single, private assisted-reproduction technology center. PATIENTS: Thirty patients diagnosed with unilateral or bilateral endometriomas were compared with 60 patients without endometriomas in a population of 1894 patients who underwent segmented IVF treatment between September 2014 and September 2016. INTERVENTION: Intracytoplasmic sperm injection with blastocyst freeze-all and FET. MEASUREMENTS AND MAIN RESULTS: The primary endpoint of the study was a viable pregnancy (>14 weeks). The mean diameter of diagnosed endometriomas was 25.7 ± 10.6 mm. The median antral follicle count was significantly lower in the endometrioma group compared with the entire study population (11.5; interquartile range [IQR], 6.0-17.0 vs 14.0; IQR, 9.0-22.0; p = .042). The median number of mature ovarian follicles (≥14 mm) per antral follicle that developed during controlled ovarian stimulation was not significantly different between the groups (11.0 [IQR, 5.8-14.3] vs 10.0 [IQR, 6.0-15.8]; p = .908); however, the median number of oocytes retrieved was lower in the endometrioma group (11.5 [IQR, 6.0-21.5] vs 13.5 [IQR, 9.0-20.8]; p = .373). The biochemical pregnancy, implantation, and ongoing pregnancy rates were not significantly different between the endometrioma and control groups. CONCLUSION: Although ovarian endometriomas result in reduced ovarian reserve and oocyte retrieval, their impact on reproductive outcome is limited with FET.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Fertilization in Vitro Pregnancy Outcome Pregnancy Outcome Pregnancy Outcome Uterine Diseases Adult Adult Case-Control Studies Case-Control Studies Embryo Implantation Embryo Implantation Embryo Implantation Embryo Transfer Embryo Transfer Embryo Transfer Embryo Transfer Endometriosis Endometriosis Endometriosis

Citation neighborhood (2-hop)

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (28)

Cited by (9)

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europepmc
last seen: 2026-10-18T09:30:06.152893+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:20:29.702106+00:00
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