Objective: To clarify the decrease in response to controlled ovarian stimulation in patients who receive in vitro fertilization treatment after radical trachelectomy.
Methods: The outcomes of ovarian stimulation were retrospectively evaluated and compared between patients who have undergone radical trachelectomy and control patients who had male factor infertility or unexplained infertility.
Results: A total of 30 ovarian stimulation cycles in 14 radical trachelectomy patients and 54 cycles in 30 control patients were reviewed. The median age at ovarian stimulation was 34.8 years in the radical trachelectomy group and 36.5 years in the control group. Compared with the control group, the radical trachelectomy group had significantly lower mean estradiol concentration (1461.7 pg/ml, SD 775.0 vs. 1950.9 pg/ml, SD 1057.3, P = 0.029) during controlled ovarian stimulation cycle and smaller median number of retrieved oocytes (5, range 1-14 vs. 8, range 1-19, P = 0.007), despite the higher use of gonadotropin (3527.5 IU, SD 1313.4 vs. 2670.8 IU, SD 905.1, P = 0.001).
Conclusion: The response to controlled ovarian stimulation decreased after radical trachelectomy.
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