Manuscripts

Single Euploid Embryo Transfer Outcomes after Uterine Septum Resection

Study Objective: To study pregnancy outcomes after single euploid embryo transfer (SEET) in patients who underwent prior uterine septum resection to those with uteri of normal contour, without M€ullerian anomalies or uterine abnormalities including polyps or fibroids, and without a history of prior uterine surgeries.

Design: Retrospective cohort study.

Setting: Single academic affiliated center.

Patients: 60 cycles of patients with prior hysteroscopic uterine septum resection who underwent an autologous SEET
between 2012 and 2020 were used as the investigational cohort. A 3:1 ratio propensity score matched control cohort of 180 single euploid embryo transfer cycles from patients without a history of uterine septa were used as the control group.

Interventions: No interventions administered.

Measurements and Main Results: Pregnancy, clinical pregnancy loss, ongoing clinical pregnancy, and live birth rates in patients with a history of uterine septum resection compared with matched patients without M€ullerian anomalies or uterine surgeries.
Patients with a prior uterine septum had significantly lower rates of chemical pregnancy (58.33% vs 77.2%, p = .004), implantation (41.67% vs 65.6%, p = .001), and live birth (33.33% vs 57.8%, p = .001) per transfer. No statistical difference in clinical pregnancy loss rates was found when comparing septum patients with controls (8.33% vs 7.8%, p = .89).

Conclusion: Patients with a history of hysteroscopic resection who undergo in vitro fertilization are more susceptible to suboptimal clinical outcomes compared with patients with normal uteri. Early pregnancy loss rates in patients with a uterine septum are higher than in those without; however, after resection, the rates are comparable. Patients born with septate uteri require assessment of surgical intervention prior to SEET, and to optimize their reproductive outcomes. Journal of Minimally Invasive Gynecology (2024) 00, 1−6. © 2024 AAGL. All rights reserved.

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